Home / 3,119,215.80-4,678,478.10-2,557,270.20

Finding the Fourth Proportional to 3,119,215.80, 4,678,478.10 and 2,557,270.20

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Solution

The fourth proportional to 3,119,215.80, 4,678,478.10 and 2,557,270.20 is: 3,835,621.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,215.80 : 4,678,478.10 = 2,557,270.20 : x
  2. Step 2: Convert to fraction form
    3,119,215.80/4,678,478.10 = 2,557,270.20/x
  3. Step 3: Cross multiply
    3,119,215.80x = 4,678,478.10 × 2,557,270.20
  4. Step 4: Simplify right side
    3,119,215.80x = 11,964,132,626,482.62
  5. Step 5: Solve for x
    x = 11,964,132,626,482.62/3,119,215.80
  6. Step 6: Final answer
    x = 3,835,621.96

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Double scale
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Similar ratio
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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.