Home / 1,942,565.10-2,912,186.22-745,346.70

Finding the Fourth Proportional to 1,942,565.10, 2,912,186.22 and 745,346.70

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Solution

The fourth proportional to 1,942,565.10, 2,912,186.22 and 745,346.70 is: 1,117,382.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,565.10 : 2,912,186.22 = 745,346.70 : x
  2. Step 2: Convert to fraction form
    1,942,565.10/2,912,186.22 = 745,346.70/x
  3. Step 3: Cross multiply
    1,942,565.10x = 2,912,186.22 × 745,346.70
  4. Step 4: Simplify right side
    1,942,565.10x = 2,170,588,388,862.47
  5. Step 5: Solve for x
    x = 2,170,588,388,862.47/1,942,565.10
  6. Step 6: Final answer
    x = 1,117,382.57

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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.