Home / 4,257,651.20-6,386,476.80-3,949,721.60

Finding the Fourth Proportional to 4,257,651.20, 6,386,476.80 and 3,949,721.60

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Solution

The fourth proportional to 4,257,651.20, 6,386,476.80 and 3,949,721.60 is: 5,924,582.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,257,651.20 : 6,386,476.80 = 3,949,721.60 : x
  2. Step 2: Convert to fraction form
    4,257,651.20/6,386,476.80 = 3,949,721.60/x
  3. Step 3: Cross multiply
    4,257,651.20x = 6,386,476.80 × 3,949,721.60
  4. Step 4: Simplify right side
    4,257,651.20x = 25,224,805,364,858.88
  5. Step 5: Solve for x
    x = 25,224,805,364,858.88/4,257,651.20
  6. Step 6: Final answer
    x = 5,924,582.40

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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.