Home / 3,445,821.52-5,168,731.94-921,411.16

Finding the Fourth Proportional to 3,445,821.52, 5,168,731.94 and 921,411.16

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Solution

The fourth proportional to 3,445,821.52, 5,168,731.94 and 921,411.16 is: 1,382,116.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445,821.52 : 5,168,731.94 = 921,411.16 : x
  2. Step 2: Convert to fraction form
    3,445,821.52/5,168,731.94 = 921,411.16/x
  3. Step 3: Cross multiply
    3,445,821.52x = 5,168,731.94 × 921,411.16
  4. Step 4: Simplify right side
    3,445,821.52x = 4,762,527,292,564.45
  5. Step 5: Solve for x
    x = 4,762,527,292,564.45/3,445,821.52
  6. Step 6: Final answer
    x = 1,382,116.65

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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.