Home / 2,986,752.80-4,480,129.20-2,678,823.20

Finding the Fourth Proportional to 2,986,752.80, 4,480,129.20 and 2,678,823.20

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Solution

The fourth proportional to 2,986,752.80, 4,480,129.20 and 2,678,823.20 is: 4,018,234.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986,752.80 : 4,480,129.20 = 2,678,823.20 : x
  2. Step 2: Convert to fraction form
    2,986,752.80/4,480,129.20 = 2,678,823.20/x
  3. Step 3: Cross multiply
    2,986,752.80x = 4,480,129.20 × 2,678,823.20
  4. Step 4: Simplify right side
    2,986,752.80x = 12,001,474,039,957.44
  5. Step 5: Solve for x
    x = 12,001,474,039,957.44/2,986,752.80
  6. Step 6: Final answer
    x = 4,018,234.80

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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.