Home / 5,428,363.20-8,142,544.80-4,631,201.70

Finding the Fourth Proportional to 5,428,363.20, 8,142,544.80 and 4,631,201.70

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Solution

The fourth proportional to 5,428,363.20, 8,142,544.80 and 4,631,201.70 is: 6,946,802.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428,363.20 : 8,142,544.80 = 4,631,201.70 : x
  2. Step 2: Convert to fraction form
    5,428,363.20/8,142,544.80 = 4,631,201.70/x
  3. Step 3: Cross multiply
    5,428,363.20x = 8,142,544.80 × 4,631,201.70
  4. Step 4: Simplify right side
    5,428,363.20x = 37,709,767,320,086.16
  5. Step 5: Solve for x
    x = 37,709,767,320,086.16/5,428,363.20
  6. Step 6: Final answer
    x = 6,946,802.55

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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.