Home / 3,902,916.50-5,386,088.55-2,136,785.35

Finding the Fourth Proportional to 3,902,916.50, 5,386,088.55 and 2,136,785.35

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Solution

The fourth proportional to 3,902,916.50, 5,386,088.55 and 2,136,785.35 is: 2,948,798.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,902,916.50 : 5,386,088.55 = 2,136,785.35 : x
  2. Step 2: Convert to fraction form
    3,902,916.50/5,386,088.55 = 2,136,785.35/x
  3. Step 3: Cross multiply
    3,902,916.50x = 5,386,088.55 × 2,136,785.35
  4. Step 4: Simplify right side
    3,902,916.50x = 11,508,915,094,060.26
  5. Step 5: Solve for x
    x = 11,508,915,094,060.26/3,902,916.50
  6. Step 6: Final answer
    x = 2,948,798.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.