Home / 2,645,780.16-3,969,336-752,521.92

Finding the Fourth Proportional to 2,645,780.16, 3,969,336 and 752,521.92

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Solution

The fourth proportional to 2,645,780.16, 3,969,336 and 752,521.92 is: 1,128,972.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,645,780.16 : 3,969,336 = 752,521.92 : x
  2. Step 2: Convert to fraction form
    2,645,780.16/3,969,336 = 752,521.92/x
  3. Step 3: Cross multiply
    2,645,780.16x = 3,969,336 × 752,521.92
  4. Step 4: Simplify right side
    2,645,780.16x = 2,987,012,347,845.12
  5. Step 5: Solve for x
    x = 2,987,012,347,845.12/2,645,780.16
  6. Step 6: Final answer
    x = 1,128,972.24

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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.