Home / 3,445,817.52-5,168,725.95-921,407.16

Finding the Fourth Proportional to 3,445,817.52, 5,168,725.95 and 921,407.16

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Solution

The fourth proportional to 3,445,817.52, 5,168,725.95 and 921,407.16 is: 1,382,110.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445,817.52 : 5,168,725.95 = 921,407.16 : x
  2. Step 2: Convert to fraction form
    3,445,817.52/5,168,725.95 = 921,407.16/x
  3. Step 3: Cross multiply
    3,445,817.52x = 5,168,725.95 × 921,407.16
  4. Step 4: Simplify right side
    3,445,817.52x = 4,762,501,098,407.80
  5. Step 5: Solve for x
    x = 4,762,501,098,407.80/3,445,817.52
  6. Step 6: Final answer
    x = 1,382,110.65

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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.