Home / 3,119,288.10-4,678,932.15-2,930,331.30

Finding the Fourth Proportional to 3,119,288.10, 4,678,932.15 and 2,930,331.30

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Solution

The fourth proportional to 3,119,288.10, 4,678,932.15 and 2,930,331.30 is: 4,395,496.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,288.10 : 4,678,932.15 = 2,930,331.30 : x
  2. Step 2: Convert to fraction form
    3,119,288.10/4,678,932.15 = 2,930,331.30/x
  3. Step 3: Cross multiply
    3,119,288.10x = 4,678,932.15 × 2,930,331.30
  4. Step 4: Simplify right side
    3,119,288.10x = 13,710,821,329,721.29
  5. Step 5: Solve for x
    x = 13,710,821,329,721.29/3,119,288.10
  6. Step 6: Final answer
    x = 4,395,496.95

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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.