Home / 3,981,203.80-5,971,805.70-2,985,875.80

Finding the Fourth Proportional to 3,981,203.80, 5,971,805.70 and 2,985,875.80

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Solution

The fourth proportional to 3,981,203.80, 5,971,805.70 and 2,985,875.80 is: 4,478,813.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,981,203.80 : 5,971,805.70 = 2,985,875.80 : x
  2. Step 2: Convert to fraction form
    3,981,203.80/5,971,805.70 = 2,985,875.80/x
  3. Step 3: Cross multiply
    3,981,203.80x = 5,971,805.70 × 2,985,875.80
  4. Step 4: Simplify right side
    3,981,203.80x = 17,831,070,121,932.06
  5. Step 5: Solve for x
    x = 17,831,070,121,932.06/3,981,203.80
  6. Step 6: Final answer
    x = 4,478,813.70

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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.