Home / 2,186,775.90-3,279,179.70-988,081.20

Finding the Fourth Proportional to 2,186,775.90, 3,279,179.70 and 988,081.20

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Solution

The fourth proportional to 2,186,775.90, 3,279,179.70 and 988,081.20 is: 1,481,677.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186,775.90 : 3,279,179.70 = 988,081.20 : x
  2. Step 2: Convert to fraction form
    2,186,775.90/3,279,179.70 = 988,081.20/x
  3. Step 3: Cross multiply
    2,186,775.90x = 3,279,179.70 × 988,081.20
  4. Step 4: Simplify right side
    2,186,775.90x = 3,240,095,812,991.64
  5. Step 5: Solve for x
    x = 3,240,095,812,991.64/2,186,775.90
  6. Step 6: Final answer
    x = 1,481,677.12

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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.