Home / 1,664,471.52-2,296,969.92-939,471.30

Finding the Fourth Proportional to 1,664,471.52, 2,296,969.92 and 939,471.30

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Solution

The fourth proportional to 1,664,471.52, 2,296,969.92 and 939,471.30 is: 1,296,469.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,471.52 : 2,296,969.92 = 939,471.30 : x
  2. Step 2: Convert to fraction form
    1,664,471.52/2,296,969.92 = 939,471.30/x
  3. Step 3: Cross multiply
    1,664,471.52x = 2,296,969.92 × 939,471.30
  4. Step 4: Simplify right side
    1,664,471.52x = 2,157,937,316,803.30
  5. Step 5: Solve for x
    x = 2,157,937,316,803.30/1,664,471.52
  6. Step 6: Final answer
    x = 1,296,469.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.