Home / 3,702,781.84-5,107,782.60-2,153,869.04

Finding the Fourth Proportional to 3,702,781.84, 5,107,782.60 and 2,153,869.04

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Solution

The fourth proportional to 3,702,781.84, 5,107,782.60 and 2,153,869.04 is: 2,971,143.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,702,781.84 : 5,107,782.60 = 2,153,869.04 : x
  2. Step 2: Convert to fraction form
    3,702,781.84/5,107,782.60 = 2,153,869.04/x
  3. Step 3: Cross multiply
    3,702,781.84x = 5,107,782.60 × 2,153,869.04
  4. Step 4: Simplify right side
    3,702,781.84x = 11,001,494,805,190.70
  5. Step 5: Solve for x
    x = 11,001,494,805,190.70/3,702,781.84
  6. Step 6: Final answer
    x = 2,971,143.12

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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.