Home / 2,144,526.78-3,217,412.76-864,473.66

Finding the Fourth Proportional to 2,144,526.78, 3,217,412.76 and 864,473.66

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Solution

The fourth proportional to 2,144,526.78, 3,217,412.76 and 864,473.66 is: 1,296,961.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,144,526.78 : 3,217,412.76 = 864,473.66 : x
  2. Step 2: Convert to fraction form
    2,144,526.78/3,217,412.76 = 864,473.66/x
  3. Step 3: Cross multiply
    2,144,526.78x = 3,217,412.76 × 864,473.66
  4. Step 4: Simplify right side
    2,144,526.78x = 2,781,368,568,280.84
  5. Step 5: Solve for x
    x = 2,781,368,568,280.84/2,144,526.78
  6. Step 6: Final answer
    x = 1,296,961.45

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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.