Home / 6,428,780.58-9,643,224.95-1,636,470.66

Finding the Fourth Proportional to 6,428,780.58, 9,643,224.95 and 1,636,470.66

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Solution

The fourth proportional to 6,428,780.58, 9,643,224.95 and 1,636,470.66 is: 2,454,719.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,428,780.58 : 9,643,224.95 = 1,636,470.66 : x
  2. Step 2: Convert to fraction form
    6,428,780.58/9,643,224.95 = 1,636,470.66/x
  3. Step 3: Cross multiply
    6,428,780.58x = 9,643,224.95 × 1,636,470.66
  4. Step 4: Simplify right side
    6,428,780.58x = 15,780,854,660,247.29
  5. Step 5: Solve for x
    x = 15,780,854,660,247.29/6,428,780.58
  6. Step 6: Final answer
    x = 2,454,719.75

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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.