Home / 2,750,999.40-4,126,499.10-857,725.80

Finding the Fourth Proportional to 2,750,999.40, 4,126,499.10 and 857,725.80

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Solution

The fourth proportional to 2,750,999.40, 4,126,499.10 and 857,725.80 is: 1,286,588.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,750,999.40 : 4,126,499.10 = 857,725.80 : x
  2. Step 2: Convert to fraction form
    2,750,999.40/4,126,499.10 = 857,725.80/x
  3. Step 3: Cross multiply
    2,750,999.40x = 4,126,499.10 × 857,725.80
  4. Step 4: Simplify right side
    2,750,999.40x = 3,539,404,741,746.78
  5. Step 5: Solve for x
    x = 3,539,404,741,746.78/2,750,999.40
  6. Step 6: Final answer
    x = 1,286,588.70

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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.