Home / 1,906,390.16-2,859,565.80-486,431.04

Finding the Fourth Proportional to 1,906,390.16, 2,859,565.80 and 486,431.04

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Solution

The fourth proportional to 1,906,390.16, 2,859,565.80 and 486,431.04 is: 729,641.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,906,390.16 : 2,859,565.80 = 486,431.04 : x
  2. Step 2: Convert to fraction form
    1,906,390.16/2,859,565.80 = 486,431.04/x
  3. Step 3: Cross multiply
    1,906,390.16x = 2,859,565.80 × 486,431.04
  4. Step 4: Simplify right side
    1,906,390.16x = 1,390,981,566,042.43
  5. Step 5: Solve for x
    x = 1,390,981,566,042.43/1,906,390.16
  6. Step 6: Final answer
    x = 729,641.60

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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.