Home / 2,861,652.80-4,292,479.20-731,903.60

Finding the Fourth Proportional to 2,861,652.80, 4,292,479.20 and 731,903.60

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Solution

The fourth proportional to 2,861,652.80, 4,292,479.20 and 731,903.60 is: 1,097,855.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861,652.80 : 4,292,479.20 = 731,903.60 : x
  2. Step 2: Convert to fraction form
    2,861,652.80/4,292,479.20 = 731,903.60/x
  3. Step 3: Cross multiply
    2,861,652.80x = 4,292,479.20 × 731,903.60
  4. Step 4: Simplify right side
    2,861,652.80x = 3,141,680,979,405.12
  5. Step 5: Solve for x
    x = 3,141,680,979,405.12/2,861,652.80
  6. Step 6: Final answer
    x = 1,097,855.40

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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.