Home / 2,872,909.60-3,964,627.25-1,583,721.70

Finding the Fourth Proportional to 2,872,909.60, 3,964,627.25 and 1,583,721.70

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Solution

The fourth proportional to 2,872,909.60, 3,964,627.25 and 1,583,721.70 is: 2,185,542.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872,909.60 : 3,964,627.25 = 1,583,721.70 : x
  2. Step 2: Convert to fraction form
    2,872,909.60/3,964,627.25 = 1,583,721.70/x
  3. Step 3: Cross multiply
    2,872,909.60x = 3,964,627.25 × 1,583,721.70
  4. Step 4: Simplify right side
    2,872,909.60x = 6,278,866,196,345.11
  5. Step 5: Solve for x
    x = 6,278,866,196,345.11/2,872,909.60
  6. Step 6: Final answer
    x = 2,185,542.56

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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.