Home / 2,278,955.88-3,144,905.46-1,260,338.76

Finding the Fourth Proportional to 2,278,955.88, 3,144,905.46 and 1,260,338.76

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Solution

The fourth proportional to 2,278,955.88, 3,144,905.46 and 1,260,338.76 is: 1,739,237.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278,955.88 : 3,144,905.46 = 1,260,338.76 : x
  2. Step 2: Convert to fraction form
    2,278,955.88/3,144,905.46 = 1,260,338.76/x
  3. Step 3: Cross multiply
    2,278,955.88x = 3,144,905.46 × 1,260,338.76
  4. Step 4: Simplify right side
    2,278,955.88x = 3,963,646,247,773.63
  5. Step 5: Solve for x
    x = 3,963,646,247,773.63/2,278,955.88
  6. Step 6: Final answer
    x = 1,739,237.82

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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.