Home / 3,438,458.40-5,157,687.60-914,368.80

Finding the Fourth Proportional to 3,438,458.40, 5,157,687.60 and 914,368.80

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Solution

The fourth proportional to 3,438,458.40, 5,157,687.60 and 914,368.80 is: 1,371,553.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438,458.40 : 5,157,687.60 = 914,368.80 : x
  2. Step 2: Convert to fraction form
    3,438,458.40/5,157,687.60 = 914,368.80/x
  3. Step 3: Cross multiply
    3,438,458.40x = 5,157,687.60 × 914,368.80
  4. Step 4: Simplify right side
    3,438,458.40x = 4,716,028,621,586.88
  5. Step 5: Solve for x
    x = 4,716,028,621,586.88/3,438,458.40
  6. Step 6: Final answer
    x = 1,371,553.20

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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.