Home / 3,902,947.56-5,386,131.48-2,136,816.42

Finding the Fourth Proportional to 3,902,947.56, 5,386,131.48 and 2,136,816.42

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Solution

The fourth proportional to 3,902,947.56, 5,386,131.48 and 2,136,816.42 is: 2,948,841.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,902,947.56 : 5,386,131.48 = 2,136,816.42 : x
  2. Step 2: Convert to fraction form
    3,902,947.56/5,386,131.48 = 2,136,816.42/x
  3. Step 3: Cross multiply
    3,902,947.56x = 5,386,131.48 × 2,136,816.42
  4. Step 4: Simplify right side
    3,902,947.56x = 11,509,174,186,742.90
  5. Step 5: Solve for x
    x = 11,509,174,186,742.90/3,902,947.56
  6. Step 6: Final answer
    x = 2,948,841.62

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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.