Home / 3,077,200.80-4,615,801.20-947,937.60

Finding the Fourth Proportional to 3,077,200.80, 4,615,801.20 and 947,937.60

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Solution

The fourth proportional to 3,077,200.80, 4,615,801.20 and 947,937.60 is: 1,421,906.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,077,200.80 : 4,615,801.20 = 947,937.60 : x
  2. Step 2: Convert to fraction form
    3,077,200.80/4,615,801.20 = 947,937.60/x
  3. Step 3: Cross multiply
    3,077,200.80x = 4,615,801.20 × 947,937.60
  4. Step 4: Simplify right side
    3,077,200.80x = 4,375,491,511,605.12
  5. Step 5: Solve for x
    x = 4,375,491,511,605.12/3,077,200.80
  6. Step 6: Final answer
    x = 1,421,906.40

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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.