Home / 3,612,965.70-4,985,899.64-1,981,384.52

Finding the Fourth Proportional to 3,612,965.70, 4,985,899.64 and 1,981,384.52

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Solution

The fourth proportional to 3,612,965.70, 4,985,899.64 and 1,981,384.52 is: 2,734,314.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612,965.70 : 4,985,899.64 = 1,981,384.52 : x
  2. Step 2: Convert to fraction form
    3,612,965.70/4,985,899.64 = 1,981,384.52/x
  3. Step 3: Cross multiply
    3,612,965.70x = 4,985,899.64 × 1,981,384.52
  4. Step 4: Simplify right side
    3,612,965.70x = 9,878,984,364,969.57
  5. Step 5: Solve for x
    x = 9,878,984,364,969.57/3,612,965.70
  6. Step 6: Final answer
    x = 2,734,314.46

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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.