Home / 3,445,892.10-5,168,838.42-921,481.74

Finding the Fourth Proportional to 3,445,892.10, 5,168,838.42 and 921,481.74

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Solution

The fourth proportional to 3,445,892.10, 5,168,838.42 and 921,481.74 is: 1,382,222.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445,892.10 : 5,168,838.42 = 921,481.74 : x
  2. Step 2: Convert to fraction form
    3,445,892.10/5,168,838.42 = 921,481.74/x
  3. Step 3: Cross multiply
    3,445,892.10x = 5,168,838.42 × 921,481.74
  4. Step 4: Simplify right side
    3,445,892.10x = 4,762,990,221,040.45
  5. Step 5: Solve for x
    x = 4,762,990,221,040.45/3,445,892.10
  6. Step 6: Final answer
    x = 1,382,222.68

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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.