Home / 3,129,624.69-4,693,882.11-1,423,368.33

Finding the Fourth Proportional to 3,129,624.69, 4,693,882.11 and 1,423,368.33

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Solution

The fourth proportional to 3,129,624.69, 4,693,882.11 and 1,423,368.33 is: 2,134,800.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,129,624.69 : 4,693,882.11 = 1,423,368.33 : x
  2. Step 2: Convert to fraction form
    3,129,624.69/4,693,882.11 = 1,423,368.33/x
  3. Step 3: Cross multiply
    3,129,624.69x = 4,693,882.11 × 1,423,368.33
  4. Step 4: Simplify right side
    3,129,624.69x = 6,681,123,140,127.58
  5. Step 5: Solve for x
    x = 6,681,123,140,127.58/3,129,624.69
  6. Step 6: Final answer
    x = 2,134,800.11

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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.