Home / 1,543,131.71-2,318,255.07-1,479,359.87

Finding the Fourth Proportional to 1,543,131.71, 2,318,255.07 and 1,479,359.87

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Solution

The fourth proportional to 1,543,131.71, 2,318,255.07 and 1,479,359.87 is: 2,222,450.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,131.71 : 2,318,255.07 = 1,479,359.87 : x
  2. Step 2: Convert to fraction form
    1,543,131.71/2,318,255.07 = 1,479,359.87/x
  3. Step 3: Cross multiply
    1,543,131.71x = 2,318,255.07 × 1,479,359.87
  4. Step 4: Simplify right side
    1,543,131.71x = 3,429,533,507,390.77
  5. Step 5: Solve for x
    x = 3,429,533,507,390.77/1,543,131.71
  6. Step 6: Final answer
    x = 2,222,450.29

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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.