Home / 2,389,631.40-3,583,426.50-1,109,449.08

Finding the Fourth Proportional to 2,389,631.40, 3,583,426.50 and 1,109,449.08

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Solution

The fourth proportional to 2,389,631.40, 3,583,426.50 and 1,109,449.08 is: 1,663,699.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,389,631.40 : 3,583,426.50 = 1,109,449.08 : x
  2. Step 2: Convert to fraction form
    2,389,631.40/3,583,426.50 = 1,109,449.08/x
  3. Step 3: Cross multiply
    2,389,631.40x = 3,583,426.50 × 1,109,449.08
  4. Step 4: Simplify right side
    2,389,631.40x = 3,975,629,233,672.62
  5. Step 5: Solve for x
    x = 3,975,629,233,672.62/2,389,631.40
  6. Step 6: Final answer
    x = 1,663,699.78

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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.