Home / 2,108,366.80-3,155,177.40-1,931,419.60

Finding the Fourth Proportional to 2,108,366.80, 3,155,177.40 and 1,931,419.60

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Solution

The fourth proportional to 2,108,366.80, 3,155,177.40 and 1,931,419.60 is: 2,890,375.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,108,366.80 : 3,155,177.40 = 1,931,419.60 : x
  2. Step 2: Convert to fraction form
    2,108,366.80/3,155,177.40 = 1,931,419.60/x
  3. Step 3: Cross multiply
    2,108,366.80x = 3,155,177.40 × 1,931,419.60
  4. Step 4: Simplify right side
    2,108,366.80x = 6,093,971,471,837.04
  5. Step 5: Solve for x
    x = 6,093,971,471,837.04/2,108,366.80
  6. Step 6: Final answer
    x = 2,890,375.37

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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.