Home / 2,108,798.75-3,162,543.60-760,785.72

Finding the Fourth Proportional to 2,108,798.75, 3,162,543.60 and 760,785.72

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Solution

The fourth proportional to 2,108,798.75, 3,162,543.60 and 760,785.72 is: 1,140,942.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,108,798.75 : 3,162,543.60 = 760,785.72 : x
  2. Step 2: Convert to fraction form
    2,108,798.75/3,162,543.60 = 760,785.72/x
  3. Step 3: Cross multiply
    2,108,798.75x = 3,162,543.60 × 760,785.72
  4. Step 4: Simplify right side
    2,108,798.75x = 2,406,017,996,471.38
  5. Step 5: Solve for x
    x = 2,406,017,996,471.38/2,108,798.75
  6. Step 6: Final answer
    x = 1,140,942.44

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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.