Home / 2,119,082.66-3,180,037.34-771,244.88

Finding the Fourth Proportional to 2,119,082.66, 3,180,037.34 and 771,244.88

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Solution

The fourth proportional to 2,119,082.66, 3,180,037.34 and 771,244.88 is: 1,157,381.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119,082.66 : 3,180,037.34 = 771,244.88 : x
  2. Step 2: Convert to fraction form
    2,119,082.66/3,180,037.34 = 771,244.88/x
  3. Step 3: Cross multiply
    2,119,082.66x = 3,180,037.34 × 771,244.88
  4. Step 4: Simplify right side
    2,119,082.66x = 2,452,587,520,777.69
  5. Step 5: Solve for x
    x = 2,452,587,520,777.69/2,119,082.66
  6. Step 6: Final answer
    x = 1,157,381.72

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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.