Home / 5,134,288.66-7,085,320.02-2,811,328.38

Finding the Fourth Proportional to 5,134,288.66, 7,085,320.02 and 2,811,328.38

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Solution

The fourth proportional to 5,134,288.66, 7,085,320.02 and 2,811,328.38 is: 3,879,634.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,134,288.66 : 7,085,320.02 = 2,811,328.38 : x
  2. Step 2: Convert to fraction form
    5,134,288.66/7,085,320.02 = 2,811,328.38/x
  3. Step 3: Cross multiply
    5,134,288.66x = 7,085,320.02 × 2,811,328.38
  4. Step 4: Simplify right side
    5,134,288.66x = 19,919,161,253,608.16
  5. Step 5: Solve for x
    x = 19,919,161,253,608.16/5,134,288.66
  6. Step 6: Final answer
    x = 3,879,634.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.