Home / 5,678,777.80-8,518,166.70-2,839,328.20

Finding the Fourth Proportional to 5,678,777.80, 8,518,166.70 and 2,839,328.20

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Solution

The fourth proportional to 5,678,777.80, 8,518,166.70 and 2,839,328.20 is: 4,258,992.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,678,777.80 : 8,518,166.70 = 2,839,328.20 : x
  2. Step 2: Convert to fraction form
    5,678,777.80/8,518,166.70 = 2,839,328.20/x
  3. Step 3: Cross multiply
    5,678,777.80x = 8,518,166.70 × 2,839,328.20
  4. Step 4: Simplify right side
    5,678,777.80x = 24,185,870,923,610.94
  5. Step 5: Solve for x
    x = 24,185,870,923,610.94/5,678,777.80
  6. Step 6: Final answer
    x = 4,258,992.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.