Home / 3,213,424.70-4,820,116.24-817,248.63

Finding the Fourth Proportional to 3,213,424.70, 4,820,116.24 and 817,248.63

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Solution

The fourth proportional to 3,213,424.70, 4,820,116.24 and 817,248.63 is: 1,225,867.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213,424.70 : 4,820,116.24 = 817,248.63 : x
  2. Step 2: Convert to fraction form
    3,213,424.70/4,820,116.24 = 817,248.63/x
  3. Step 3: Cross multiply
    3,213,424.70x = 4,820,116.24 × 817,248.63
  4. Step 4: Simplify right side
    3,213,424.70x = 3,939,233,369,480.17
  5. Step 5: Solve for x
    x = 3,939,233,369,480.17/3,213,424.70
  6. Step 6: Final answer
    x = 1,225,867.65

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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.