Home / 2,115,717.28-3,174,836.28-767,984.76

Finding the Fourth Proportional to 2,115,717.28, 3,174,836.28 and 767,984.76

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Solution

The fourth proportional to 2,115,717.28, 3,174,836.28 and 767,984.76 is: 1,152,434.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115,717.28 : 3,174,836.28 = 767,984.76 : x
  2. Step 2: Convert to fraction form
    2,115,717.28/3,174,836.28 = 767,984.76/x
  3. Step 3: Cross multiply
    2,115,717.28x = 3,174,836.28 × 767,984.76
  4. Step 4: Simplify right side
    2,115,717.28x = 2,438,225,878,535.09
  5. Step 5: Solve for x
    x = 2,438,225,878,535.09/2,115,717.28
  6. Step 6: Final answer
    x = 1,152,434.64

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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.