Home / 2,791,019.32-4,185,772.90-768,782.27

Finding the Fourth Proportional to 2,791,019.32, 4,185,772.90 and 768,782.27

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Solution

The fourth proportional to 2,791,019.32, 4,185,772.90 and 768,782.27 is: 1,152,965.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791,019.32 : 4,185,772.90 = 768,782.27 : x
  2. Step 2: Convert to fraction form
    2,791,019.32/4,185,772.90 = 768,782.27/x
  3. Step 3: Cross multiply
    2,791,019.32x = 4,185,772.90 × 768,782.27
  4. Step 4: Simplify right side
    2,791,019.32x = 3,217,948,000,308.96
  5. Step 5: Solve for x
    x = 3,217,948,000,308.96/2,791,019.32
  6. Step 6: Final answer
    x = 1,152,965.15

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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.