Home / 2,608,621.20-3,912,931.80-715,359.60

Finding the Fourth Proportional to 2,608,621.20, 3,912,931.80 and 715,359.60

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Solution

The fourth proportional to 2,608,621.20, 3,912,931.80 and 715,359.60 is: 1,073,039.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,608,621.20 : 3,912,931.80 = 715,359.60 : x
  2. Step 2: Convert to fraction form
    2,608,621.20/3,912,931.80 = 715,359.60/x
  3. Step 3: Cross multiply
    2,608,621.20x = 3,912,931.80 × 715,359.60
  4. Step 4: Simplify right side
    2,608,621.20x = 2,799,153,327,275.28
  5. Step 5: Solve for x
    x = 2,799,153,327,275.28/2,608,621.20
  6. Step 6: Final answer
    x = 1,073,039.40

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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.