Home / 5,228,470.01-7,842,778.83-1,390,358.52

Finding the Fourth Proportional to 5,228,470.01, 7,842,778.83 and 1,390,358.52

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Solution

The fourth proportional to 5,228,470.01, 7,842,778.83 and 1,390,358.52 is: 2,085,557.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,228,470.01 : 7,842,778.83 = 1,390,358.52 : x
  2. Step 2: Convert to fraction form
    5,228,470.01/7,842,778.83 = 1,390,358.52/x
  3. Step 3: Cross multiply
    5,228,470.01x = 7,842,778.83 × 1,390,358.52
  4. Step 4: Simplify right side
    5,228,470.01x = 10,904,274,366,766.13
  5. Step 5: Solve for x
    x = 10,904,274,366,766.13/5,228,470.01
  6. Step 6: Final answer
    x = 2,085,557.41

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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.