Home / 3,903,724.12-5,387,307.68-2,161,393.52

Finding the Fourth Proportional to 3,903,724.12, 5,387,307.68 and 2,161,393.52

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Solution

The fourth proportional to 3,903,724.12, 5,387,307.68 and 2,161,393.52 is: 2,982,816.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,903,724.12 : 5,387,307.68 = 2,161,393.52 : x
  2. Step 2: Convert to fraction form
    3,903,724.12/5,387,307.68 = 2,161,393.52/x
  3. Step 3: Cross multiply
    3,903,724.12x = 5,387,307.68 × 2,161,393.52
  4. Step 4: Simplify right side
    3,903,724.12x = 11,644,091,909,798.23
  5. Step 5: Solve for x
    x = 11,644,091,909,798.23/3,903,724.12
  6. Step 6: Final answer
    x = 2,982,816.29

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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.