Home / 1,549,473.12-2,138,527.08-1,290,940.56

Finding the Fourth Proportional to 1,549,473.12, 2,138,527.08 and 1,290,940.56

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Solution

The fourth proportional to 1,549,473.12, 2,138,527.08 and 1,290,940.56 is: 1,781,709.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549,473.12 : 2,138,527.08 = 1,290,940.56 : x
  2. Step 2: Convert to fraction form
    1,549,473.12/2,138,527.08 = 1,290,940.56/x
  3. Step 3: Cross multiply
    1,549,473.12x = 2,138,527.08 × 1,290,940.56
  4. Step 4: Simplify right side
    1,549,473.12x = 2,760,711,346,230.37
  5. Step 5: Solve for x
    x = 2,760,711,346,230.37/1,549,473.12
  6. Step 6: Final answer
    x = 1,781,709.74

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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.