Home / 3,930,454.56-5,423,964.48-2,211,574.08

Finding the Fourth Proportional to 3,930,454.56, 5,423,964.48 and 2,211,574.08

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Solution

The fourth proportional to 3,930,454.56, 5,423,964.48 and 2,211,574.08 is: 3,051,936.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,930,454.56 : 5,423,964.48 = 2,211,574.08 : x
  2. Step 2: Convert to fraction form
    3,930,454.56/5,423,964.48 = 2,211,574.08/x
  3. Step 3: Cross multiply
    3,930,454.56x = 5,423,964.48 × 2,211,574.08
  4. Step 4: Simplify right side
    3,930,454.56x = 11,995,499,254,808.68
  5. Step 5: Solve for x
    x = 11,995,499,254,808.68/3,930,454.56
  6. Step 6: Final answer
    x = 3,051,936.89

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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.