Home / 3,947,412.80-5,921,294.16-1,107,462.08

Finding the Fourth Proportional to 3,947,412.80, 5,921,294.16 and 1,107,462.08

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Solution

The fourth proportional to 3,947,412.80, 5,921,294.16 and 1,107,462.08 is: 1,661,242.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,947,412.80 : 5,921,294.16 = 1,107,462.08 : x
  2. Step 2: Convert to fraction form
    3,947,412.80/5,921,294.16 = 1,107,462.08/x
  3. Step 3: Cross multiply
    3,947,412.80x = 5,921,294.16 × 1,107,462.08
  4. Step 4: Simplify right side
    3,947,412.80x = 6,557,608,746,725.45
  5. Step 5: Solve for x
    x = 6,557,608,746,725.45/3,947,412.80
  6. Step 6: Final answer
    x = 1,661,242.21

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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.