Home / 5,323,039.20-7,989,807.60-2,630,404.80

Finding the Fourth Proportional to 5,323,039.20, 7,989,807.60 and 2,630,404.80

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Solution

The fourth proportional to 5,323,039.20, 7,989,807.60 and 2,630,404.80 is: 3,948,200.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,323,039.20 : 7,989,807.60 = 2,630,404.80 : x
  2. Step 2: Convert to fraction form
    5,323,039.20/7,989,807.60 = 2,630,404.80/x
  3. Step 3: Cross multiply
    5,323,039.20x = 7,989,807.60 × 2,630,404.80
  4. Step 4: Simplify right side
    5,323,039.20x = 21,016,428,262,116.48
  5. Step 5: Solve for x
    x = 21,016,428,262,116.48/5,323,039.20
  6. Step 6: Final answer
    x = 3,948,200.92

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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.