Home / 2,166,915.60-3,250,891.80-904,041.36

Finding the Fourth Proportional to 2,166,915.60, 3,250,891.80 and 904,041.36

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Solution

The fourth proportional to 2,166,915.60, 3,250,891.80 and 904,041.36 is: 1,356,278.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,915.60 : 3,250,891.80 = 904,041.36 : x
  2. Step 2: Convert to fraction form
    2,166,915.60/3,250,891.80 = 904,041.36/x
  3. Step 3: Cross multiply
    2,166,915.60x = 3,250,891.80 × 904,041.36
  4. Step 4: Simplify right side
    2,166,915.60x = 2,938,940,644,084.85
  5. Step 5: Solve for x
    x = 2,938,940,644,084.85/2,166,915.60
  6. Step 6: Final answer
    x = 1,356,278.32

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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.