Home / 1,549,474.12-2,138,528.46-1,290,941.56

Finding the Fourth Proportional to 1,549,474.12, 2,138,528.46 and 1,290,941.56

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Solution

The fourth proportional to 1,549,474.12, 2,138,528.46 and 1,290,941.56 is: 1,781,711.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549,474.12 : 2,138,528.46 = 1,290,941.56 : x
  2. Step 2: Convert to fraction form
    1,549,474.12/2,138,528.46 = 1,290,941.56/x
  3. Step 3: Cross multiply
    1,549,474.12x = 2,138,528.46 × 1,290,941.56
  4. Step 4: Simplify right side
    1,549,474.12x = 2,760,715,266,256.80
  5. Step 5: Solve for x
    x = 2,760,715,266,256.80/1,549,474.12
  6. Step 6: Final answer
    x = 1,781,711.12

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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.