Home / 1,937,019.80-2,672,365.29-1,211,591.90

Finding the Fourth Proportional to 1,937,019.80, 2,672,365.29 and 1,211,591.90

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Solution

The fourth proportional to 1,937,019.80, 2,672,365.29 and 1,211,591.90 is: 1,671,545.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937,019.80 : 2,672,365.29 = 1,211,591.90 : x
  2. Step 2: Convert to fraction form
    1,937,019.80/2,672,365.29 = 1,211,591.90/x
  3. Step 3: Cross multiply
    1,937,019.80x = 2,672,365.29 × 1,211,591.90
  4. Step 4: Simplify right side
    1,937,019.80x = 3,237,816,125,843.33
  5. Step 5: Solve for x
    x = 3,237,816,125,843.33/1,937,019.80
  6. Step 6: Final answer
    x = 1,671,545.19

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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.