Home / 2,415,376.80-3,620,761.20-898,653.60

Finding the Fourth Proportional to 2,415,376.80, 3,620,761.20 and 898,653.60

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Solution

The fourth proportional to 2,415,376.80, 3,620,761.20 and 898,653.60 is: 1,347,123.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,415,376.80 : 3,620,761.20 = 898,653.60 : x
  2. Step 2: Convert to fraction form
    2,415,376.80/3,620,761.20 = 898,653.60/x
  3. Step 3: Cross multiply
    2,415,376.80x = 3,620,761.20 × 898,653.60
  4. Step 4: Simplify right side
    2,415,376.80x = 3,253,810,087,120.32
  5. Step 5: Solve for x
    x = 3,253,810,087,120.32/2,415,376.80
  6. Step 6: Final answer
    x = 1,347,123.18

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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.