Home / 5,248,479.80-7,872,719.70-2,219,266.10

Finding the Fourth Proportional to 5,248,479.80, 7,872,719.70 and 2,219,266.10

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Solution

The fourth proportional to 5,248,479.80, 7,872,719.70 and 2,219,266.10 is: 3,328,899.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,248,479.80 : 7,872,719.70 = 2,219,266.10 : x
  2. Step 2: Convert to fraction form
    5,248,479.80/7,872,719.70 = 2,219,266.10/x
  3. Step 3: Cross multiply
    5,248,479.80x = 7,872,719.70 × 2,219,266.10
  4. Step 4: Simplify right side
    5,248,479.80x = 17,471,659,945,012.17
  5. Step 5: Solve for x
    x = 17,471,659,945,012.17/5,248,479.80
  6. Step 6: Final answer
    x = 3,328,899.15

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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.