Home / 2,191,691.12-3,024,544.96-1,224,837.60

Finding the Fourth Proportional to 2,191,691.12, 3,024,544.96 and 1,224,837.60

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Solution

The fourth proportional to 2,191,691.12, 3,024,544.96 and 1,224,837.60 is: 1,690,282.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,691.12 : 3,024,544.96 = 1,224,837.60 : x
  2. Step 2: Convert to fraction form
    2,191,691.12/3,024,544.96 = 1,224,837.60/x
  3. Step 3: Cross multiply
    2,191,691.12x = 3,024,544.96 × 1,224,837.60
  4. Step 4: Simplify right side
    2,191,691.12x = 3,704,576,389,898.50
  5. Step 5: Solve for x
    x = 3,704,576,389,898.50/2,191,691.12
  6. Step 6: Final answer
    x = 1,690,282.16

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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.