Home / 3,213,691.40-4,820,564.38-817,538.06

Finding the Fourth Proportional to 3,213,691.40, 4,820,564.38 and 817,538.06

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Solution

The fourth proportional to 3,213,691.40, 4,820,564.38 and 817,538.06 is: 1,226,314.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213,691.40 : 4,820,564.38 = 817,538.06 : x
  2. Step 2: Convert to fraction form
    3,213,691.40/4,820,564.38 = 817,538.06/x
  3. Step 3: Cross multiply
    3,213,691.40x = 4,820,564.38 × 817,538.06
  4. Step 4: Simplify right side
    3,213,691.40x = 3,940,994,851,330.30
  5. Step 5: Solve for x
    x = 3,940,994,851,330.30/3,213,691.40
  6. Step 6: Final answer
    x = 1,226,314.03

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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.