Home / 2,167,688.40-3,253,375.80-971,451.60

Finding the Fourth Proportional to 2,167,688.40, 3,253,375.80 and 971,451.60

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Solution

The fourth proportional to 2,167,688.40, 3,253,375.80 and 971,451.60 is: 1,458,003.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,167,688.40 : 3,253,375.80 = 971,451.60 : x
  2. Step 2: Convert to fraction form
    2,167,688.40/3,253,375.80 = 971,451.60/x
  3. Step 3: Cross multiply
    2,167,688.40x = 3,253,375.80 × 971,451.60
  4. Step 4: Simplify right side
    2,167,688.40x = 3,160,497,126,311.28
  5. Step 5: Solve for x
    x = 3,160,497,126,311.28/2,167,688.40
  6. Step 6: Final answer
    x = 1,458,003.43

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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.