Home / 3,213,428.76-4,820,122.33-817,252.69

Finding the Fourth Proportional to 3,213,428.76, 4,820,122.33 and 817,252.69

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Solution

The fourth proportional to 3,213,428.76, 4,820,122.33 and 817,252.69 is: 1,225,873.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213,428.76 : 4,820,122.33 = 817,252.69 : x
  2. Step 2: Convert to fraction form
    3,213,428.76/4,820,122.33 = 817,252.69/x
  3. Step 3: Cross multiply
    3,213,428.76x = 4,820,122.33 × 817,252.69
  4. Step 4: Simplify right side
    3,213,428.76x = 3,939,257,939,862.91
  5. Step 5: Solve for x
    x = 3,939,257,939,862.91/3,213,428.76
  6. Step 6: Final answer
    x = 1,225,873.74

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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.