Home / 1,921,565.27-2,651,813.63-1,062,180.78

Finding the Fourth Proportional to 1,921,565.27, 2,651,813.63 and 1,062,180.78

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Solution

The fourth proportional to 1,921,565.27, 2,651,813.63 and 1,062,180.78 is: 1,465,839.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,921,565.27 : 2,651,813.63 = 1,062,180.78 : x
  2. Step 2: Convert to fraction form
    1,921,565.27/2,651,813.63 = 1,062,180.78/x
  3. Step 3: Cross multiply
    1,921,565.27x = 2,651,813.63 × 1,062,180.78
  4. Step 4: Simplify right side
    1,921,565.27x = 2,816,705,464,617.13
  5. Step 5: Solve for x
    x = 2,816,705,464,617.13/1,921,565.27
  6. Step 6: Final answer
    x = 1,465,839.08

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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.