Home / 6,619,677.20-9,929,515.80-3,260,445.20

Finding the Fourth Proportional to 6,619,677.20, 9,929,515.80 and 3,260,445.20

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Solution

The fourth proportional to 6,619,677.20, 9,929,515.80 and 3,260,445.20 is: 4,890,667.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,619,677.20 : 9,929,515.80 = 3,260,445.20 : x
  2. Step 2: Convert to fraction form
    6,619,677.20/9,929,515.80 = 3,260,445.20/x
  3. Step 3: Cross multiply
    6,619,677.20x = 9,929,515.80 × 3,260,445.20
  4. Step 4: Simplify right side
    6,619,677.20x = 32,374,642,128,434.16
  5. Step 5: Solve for x
    x = 32,374,642,128,434.16/6,619,677.20
  6. Step 6: Final answer
    x = 4,890,667.80

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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.