Home / 2,519,487.72-3,778,456.40-721,889.55

Finding the Fourth Proportional to 2,519,487.72, 3,778,456.40 and 721,889.55

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Solution

The fourth proportional to 2,519,487.72, 3,778,456.40 and 721,889.55 is: 1,082,612.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519,487.72 : 3,778,456.40 = 721,889.55 : x
  2. Step 2: Convert to fraction form
    2,519,487.72/3,778,456.40 = 721,889.55/x
  3. Step 3: Cross multiply
    2,519,487.72x = 3,778,456.40 × 721,889.55
  4. Step 4: Simplify right side
    2,519,487.72x = 2,727,628,190,290.62
  5. Step 5: Solve for x
    x = 2,727,628,190,290.62/2,519,487.72
  6. Step 6: Final answer
    x = 1,082,612.22

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1.5x scale

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.