Home / 5,254,908.31-7,881,684.45-1,661,038.55

Finding the Fourth Proportional to 5,254,908.31, 7,881,684.45 and 1,661,038.55

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Solution

The fourth proportional to 5,254,908.31, 7,881,684.45 and 1,661,038.55 is: 2,491,343.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,254,908.31 : 7,881,684.45 = 1,661,038.55 : x
  2. Step 2: Convert to fraction form
    5,254,908.31/7,881,684.45 = 1,661,038.55/x
  3. Step 3: Cross multiply
    5,254,908.31x = 7,881,684.45 × 1,661,038.55
  4. Step 4: Simplify right side
    5,254,908.31x = 13,091,781,694,304.55
  5. Step 5: Solve for x
    x = 13,091,781,694,304.55/5,254,908.31
  6. Step 6: Final answer
    x = 2,491,343.51

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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.