Home / 2,887,187.67-3,985,315.02-1,663,981.83

Finding the Fourth Proportional to 2,887,187.67, 3,985,315.02 and 1,663,981.83

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Solution

The fourth proportional to 2,887,187.67, 3,985,315.02 and 1,663,981.83 is: 2,296,868.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887,187.67 : 3,985,315.02 = 1,663,981.83 : x
  2. Step 2: Convert to fraction form
    2,887,187.67/3,985,315.02 = 1,663,981.83/x
  3. Step 3: Cross multiply
    2,887,187.67x = 3,985,315.02 × 1,663,981.83
  4. Step 4: Simplify right side
    2,887,187.67x = 6,631,491,780,106.09
  5. Step 5: Solve for x
    x = 6,631,491,780,106.09/2,887,187.67
  6. Step 6: Final answer
    x = 2,296,868.97

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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.