Home / 2,281,989.60-3,149,134.20-1,249,478.64

Finding the Fourth Proportional to 2,281,989.60, 3,149,134.20 and 1,249,478.64

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Solution

The fourth proportional to 2,281,989.60, 3,149,134.20 and 1,249,478.64 is: 1,724,274.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,281,989.60 : 3,149,134.20 = 1,249,478.64 : x
  2. Step 2: Convert to fraction form
    2,281,989.60/3,149,134.20 = 1,249,478.64/x
  3. Step 3: Cross multiply
    2,281,989.60x = 3,149,134.20 × 1,249,478.64
  4. Step 4: Simplify right side
    2,281,989.60x = 3,934,775,917,393.49
  5. Step 5: Solve for x
    x = 3,934,775,917,393.49/2,281,989.60
  6. Step 6: Final answer
    x = 1,724,274.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.