Home / 2,126,805.60-3,190,811.04-865,538.40

Finding the Fourth Proportional to 2,126,805.60, 3,190,811.04 and 865,538.40

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Solution

The fourth proportional to 2,126,805.60, 3,190,811.04 and 865,538.40 is: 1,298,552.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,805.60 : 3,190,811.04 = 865,538.40 : x
  2. Step 2: Convert to fraction form
    2,126,805.60/3,190,811.04 = 865,538.40/x
  3. Step 3: Cross multiply
    2,126,805.60x = 3,190,811.04 × 865,538.40
  4. Step 4: Simplify right side
    2,126,805.60x = 2,761,769,482,263.94
  5. Step 5: Solve for x
    x = 2,761,769,482,263.94/2,126,805.60
  6. Step 6: Final answer
    x = 1,298,552.85

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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.