Home / 5,431,746.20-8,147,619.30-4,554,868.55

Finding the Fourth Proportional to 5,431,746.20, 8,147,619.30 and 4,554,868.55

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Solution

The fourth proportional to 5,431,746.20, 8,147,619.30 and 4,554,868.55 is: 6,832,302.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431,746.20 : 8,147,619.30 = 4,554,868.55 : x
  2. Step 2: Convert to fraction form
    5,431,746.20/8,147,619.30 = 4,554,868.55/x
  3. Step 3: Cross multiply
    5,431,746.20x = 8,147,619.30 × 4,554,868.55
  4. Step 4: Simplify right side
    5,431,746.20x = 37,111,334,906,943.02
  5. Step 5: Solve for x
    x = 37,111,334,906,943.02/5,431,746.20
  6. Step 6: Final answer
    x = 6,832,302.83

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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.