Home / 3,119,211.80-4,678,472.10-2,557,266.20

Finding the Fourth Proportional to 3,119,211.80, 4,678,472.10 and 2,557,266.20

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Solution

The fourth proportional to 3,119,211.80, 4,678,472.10 and 2,557,266.20 is: 3,835,615.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,211.80 : 4,678,472.10 = 2,557,266.20 : x
  2. Step 2: Convert to fraction form
    3,119,211.80/4,678,472.10 = 2,557,266.20/x
  3. Step 3: Cross multiply
    3,119,211.80x = 4,678,472.10 × 2,557,266.20
  4. Step 4: Simplify right side
    3,119,211.80x = 11,964,098,568,973.02
  5. Step 5: Solve for x
    x = 11,964,098,568,973.02/3,119,211.80
  6. Step 6: Final answer
    x = 3,835,615.96

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Double scale
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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.