Home / 5,431,991.20-8,148,970.95-2,729,515.30

Finding the Fourth Proportional to 5,431,991.20, 8,148,970.95 and 2,729,515.30

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Solution

The fourth proportional to 5,431,991.20, 8,148,970.95 and 2,729,515.30 is: 4,094,767.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431,991.20 : 8,148,970.95 = 2,729,515.30 : x
  2. Step 2: Convert to fraction form
    5,431,991.20/8,148,970.95 = 2,729,515.30/x
  3. Step 3: Cross multiply
    5,431,991.20x = 8,148,970.95 × 2,729,515.30
  4. Step 4: Simplify right side
    5,431,991.20x = 22,242,740,887,280.54
  5. Step 5: Solve for x
    x = 22,242,740,887,280.54/5,431,991.20
  6. Step 6: Final answer
    x = 4,094,767.47

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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.