Home / 4,428,118.20-6,643,343.70-1,587,934.20

Finding the Fourth Proportional to 4,428,118.20, 6,643,343.70 and 1,587,934.20

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Solution

The fourth proportional to 4,428,118.20, 6,643,343.70 and 1,587,934.20 is: 2,382,319.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428,118.20 : 6,643,343.70 = 1,587,934.20 : x
  2. Step 2: Convert to fraction form
    4,428,118.20/6,643,343.70 = 1,587,934.20/x
  3. Step 3: Cross multiply
    4,428,118.20x = 6,643,343.70 × 1,587,934.20
  4. Step 4: Simplify right side
    4,428,118.20x = 10,549,192,663,584.54
  5. Step 5: Solve for x
    x = 10,549,192,663,584.54/4,428,118.20
  6. Step 6: Final answer
    x = 2,382,319.57

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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.