Home / 3,213,429.76-4,820,123.83-817,253.69

Finding the Fourth Proportional to 3,213,429.76, 4,820,123.83 and 817,253.69

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Solution

The fourth proportional to 3,213,429.76, 4,820,123.83 and 817,253.69 is: 1,225,875.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213,429.76 : 4,820,123.83 = 817,253.69 : x
  2. Step 2: Convert to fraction form
    3,213,429.76/4,820,123.83 = 817,253.69/x
  3. Step 3: Cross multiply
    3,213,429.76x = 4,820,123.83 × 817,253.69
  4. Step 4: Simplify right side
    3,213,429.76x = 3,939,263,986,324.43
  5. Step 5: Solve for x
    x = 3,939,263,986,324.43/3,213,429.76
  6. Step 6: Final answer
    x = 1,225,875.24

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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.