Home / 2,176,372.82-3,002,462.84-1,359,157.75

Finding the Fourth Proportional to 2,176,372.82, 3,002,462.84 and 1,359,157.75

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Solution

The fourth proportional to 2,176,372.82, 3,002,462.84 and 1,359,157.75 is: 1,875,055.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176,372.82 : 3,002,462.84 = 1,359,157.75 : x
  2. Step 2: Convert to fraction form
    2,176,372.82/3,002,462.84 = 1,359,157.75/x
  3. Step 3: Cross multiply
    2,176,372.82x = 3,002,462.84 × 1,359,157.75
  4. Step 4: Simplify right side
    2,176,372.82x = 4,080,820,638,073.01
  5. Step 5: Solve for x
    x = 4,080,820,638,073.01/2,176,372.82
  6. Step 6: Final answer
    x = 1,875,055.87

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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.