Home / 1,930,771.92-2,664,465.20-1,071,470.44

Finding the Fourth Proportional to 1,930,771.92, 2,664,465.20 and 1,071,470.44

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Solution

The fourth proportional to 1,930,771.92, 2,664,465.20 and 1,071,470.44 is: 1,478,629.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930,771.92 : 2,664,465.20 = 1,071,470.44 : x
  2. Step 2: Convert to fraction form
    1,930,771.92/2,664,465.20 = 1,071,470.44/x
  3. Step 3: Cross multiply
    1,930,771.92x = 2,664,465.20 × 1,071,470.44
  4. Step 4: Simplify right side
    1,930,771.92x = 2,854,895,700,208.69
  5. Step 5: Solve for x
    x = 2,854,895,700,208.69/1,930,771.92
  6. Step 6: Final answer
    x = 1,478,629.18

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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.