Home / 4,178,178.64-5,767,650.24-2,821,888.72

Finding the Fourth Proportional to 4,178,178.64, 5,767,650.24 and 2,821,888.72

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Solution

The fourth proportional to 4,178,178.64, 5,767,650.24 and 2,821,888.72 is: 3,895,397.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178,178.64 : 5,767,650.24 = 2,821,888.72 : x
  2. Step 2: Convert to fraction form
    4,178,178.64/5,767,650.24 = 2,821,888.72/x
  3. Step 3: Cross multiply
    4,178,178.64x = 5,767,650.24 × 2,821,888.72
  4. Step 4: Simplify right side
    4,178,178.64x = 16,275,667,153,161.29
  5. Step 5: Solve for x
    x = 16,275,667,153,161.29/4,178,178.64
  6. Step 6: Final answer
    x = 3,895,397.63

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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.