Home / 3,669,581.40-5,504,372.10-1,989,965.40

Finding the Fourth Proportional to 3,669,581.40, 5,504,372.10 and 1,989,965.40

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Solution

The fourth proportional to 3,669,581.40, 5,504,372.10 and 1,989,965.40 is: 2,984,948.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669,581.40 : 5,504,372.10 = 1,989,965.40 : x
  2. Step 2: Convert to fraction form
    3,669,581.40/5,504,372.10 = 1,989,965.40/x
  3. Step 3: Cross multiply
    3,669,581.40x = 5,504,372.10 × 1,989,965.40
  4. Step 4: Simplify right side
    3,669,581.40x = 10,953,510,027,725.34
  5. Step 5: Solve for x
    x = 10,953,510,027,725.34/3,669,581.40
  6. Step 6: Final answer
    x = 2,984,948.10

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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.