Home / 1,866,565.80-2,802,801.15-1,417,793.40

Finding the Fourth Proportional to 1,866,565.80, 2,802,801.15 and 1,417,793.40

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Solution

The fourth proportional to 1,866,565.80, 2,802,801.15 and 1,417,793.40 is: 2,128,932.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,866,565.80 : 2,802,801.15 = 1,417,793.40 : x
  2. Step 2: Convert to fraction form
    1,866,565.80/2,802,801.15 = 1,417,793.40/x
  3. Step 3: Cross multiply
    1,866,565.80x = 2,802,801.15 × 1,417,793.40
  4. Step 4: Simplify right side
    1,866,565.80x = 3,973,792,971,982.41
  5. Step 5: Solve for x
    x = 3,973,792,971,982.41/1,866,565.80
  6. Step 6: Final answer
    x = 2,128,932.70

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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.