Home / 3,612,963.69-4,985,896.88-1,981,382.51

Finding the Fourth Proportional to 3,612,963.69, 4,985,896.88 and 1,981,382.51

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Solution

The fourth proportional to 3,612,963.69, 4,985,896.88 and 1,981,382.51 is: 2,734,311.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612,963.69 : 4,985,896.88 = 1,981,382.51 : x
  2. Step 2: Convert to fraction form
    3,612,963.69/4,985,896.88 = 1,981,382.51/x
  3. Step 3: Cross multiply
    3,612,963.69x = 4,985,896.88 × 1,981,382.51
  4. Step 4: Simplify right side
    3,612,963.69x = 9,878,968,892,113.77
  5. Step 5: Solve for x
    x = 9,878,968,892,113.77/3,612,963.69
  6. Step 6: Final answer
    x = 2,734,311.70

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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.