Home / 3,213,685.08-4,820,554.89-817,531.74

Finding the Fourth Proportional to 3,213,685.08, 4,820,554.89 and 817,531.74

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Solution

The fourth proportional to 3,213,685.08, 4,820,554.89 and 817,531.74 is: 1,226,304.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213,685.08 : 4,820,554.89 = 817,531.74 : x
  2. Step 2: Convert to fraction form
    3,213,685.08/4,820,554.89 = 817,531.74/x
  3. Step 3: Cross multiply
    3,213,685.08x = 4,820,554.89 × 817,531.74
  4. Step 4: Simplify right side
    3,213,685.08x = 3,940,956,626,987.21
  5. Step 5: Solve for x
    x = 3,940,956,626,987.21/3,213,685.08
  6. Step 6: Final answer
    x = 1,226,304.55

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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.