Home / 2,765,326.60-4,147,989.90-872,648.20

Finding the Fourth Proportional to 2,765,326.60, 4,147,989.90 and 872,648.20

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Solution

The fourth proportional to 2,765,326.60, 4,147,989.90 and 872,648.20 is: 1,308,972.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,765,326.60 : 4,147,989.90 = 872,648.20 : x
  2. Step 2: Convert to fraction form
    2,765,326.60/4,147,989.90 = 872,648.20/x
  3. Step 3: Cross multiply
    2,765,326.60x = 4,147,989.90 × 872,648.20
  4. Step 4: Simplify right side
    2,765,326.60x = 3,619,735,919,853.18
  5. Step 5: Solve for x
    x = 3,619,735,919,853.18/2,765,326.60
  6. Step 6: Final answer
    x = 1,308,972.30

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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.