Home / 3,445,818.27-5,168,727.07-921,407.91

Finding the Fourth Proportional to 3,445,818.27, 5,168,727.07 and 921,407.91

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Solution

The fourth proportional to 3,445,818.27, 5,168,727.07 and 921,407.91 is: 1,382,111.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445,818.27 : 5,168,727.07 = 921,407.91 : x
  2. Step 2: Convert to fraction form
    3,445,818.27/5,168,727.07 = 921,407.91/x
  3. Step 3: Cross multiply
    3,445,818.27x = 5,168,727.07 × 921,407.91
  4. Step 4: Simplify right side
    3,445,818.27x = 4,762,506,006,929.12
  5. Step 5: Solve for x
    x = 4,762,506,006,929.12/3,445,818.27
  6. Step 6: Final answer
    x = 1,382,111.78

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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.