Home / 2,103,806.40-3,155,709.60-756,614.40

Finding the Fourth Proportional to 2,103,806.40, 3,155,709.60 and 756,614.40

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Solution

The fourth proportional to 2,103,806.40, 3,155,709.60 and 756,614.40 is: 1,134,921.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,103,806.40 : 3,155,709.60 = 756,614.40 : x
  2. Step 2: Convert to fraction form
    2,103,806.40/3,155,709.60 = 756,614.40/x
  3. Step 3: Cross multiply
    2,103,806.40x = 3,155,709.60 × 756,614.40
  4. Step 4: Simplify right side
    2,103,806.40x = 2,387,655,325,578.24
  5. Step 5: Solve for x
    x = 2,387,655,325,578.24/2,103,806.40
  6. Step 6: Final answer
    x = 1,134,921.60

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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.