Home / 1,930,513.90-2,664,428.97-1,071,350.14

Finding the Fourth Proportional to 1,930,513.90, 2,664,428.97 and 1,071,350.14

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Solution

The fourth proportional to 1,930,513.90, 2,664,428.97 and 1,071,350.14 is: 1,478,640.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930,513.90 : 2,664,428.97 = 1,071,350.14 : x
  2. Step 2: Convert to fraction form
    1,930,513.90/2,664,428.97 = 1,071,350.14/x
  3. Step 3: Cross multiply
    1,930,513.90x = 2,664,428.97 × 1,071,350.14
  4. Step 4: Simplify right side
    1,930,513.90x = 2,854,536,350,029.56
  5. Step 5: Solve for x
    x = 2,854,536,350,029.56/1,930,513.90
  6. Step 6: Final answer
    x = 1,478,640.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.