Home / 3,902,926.20-5,386,101.93-2,136,795.06

Finding the Fourth Proportional to 3,902,926.20, 5,386,101.93 and 2,136,795.06

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Solution

The fourth proportional to 3,902,926.20, 5,386,101.93 and 2,136,795.06 is: 2,948,812.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,902,926.20 : 5,386,101.93 = 2,136,795.06 : x
  2. Step 2: Convert to fraction form
    3,902,926.20/5,386,101.93 = 2,136,795.06/x
  3. Step 3: Cross multiply
    3,902,926.20x = 5,386,101.93 × 2,136,795.06
  4. Step 4: Simplify right side
    3,902,926.20x = 11,508,995,996,680.46
  5. Step 5: Solve for x
    x = 11,508,995,996,680.46/3,902,926.20
  6. Step 6: Final answer
    x = 2,948,812.10

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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.