Home / 2,664,384.96-3,676,848.65-1,440,687.56

Finding the Fourth Proportional to 2,664,384.96, 3,676,848.65 and 1,440,687.56

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Solution

The fourth proportional to 2,664,384.96, 3,676,848.65 and 1,440,687.56 is: 1,988,147.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,664,384.96 : 3,676,848.65 = 1,440,687.56 : x
  2. Step 2: Convert to fraction form
    2,664,384.96/3,676,848.65 = 1,440,687.56/x
  3. Step 3: Cross multiply
    2,664,384.96x = 3,676,848.65 × 1,440,687.56
  4. Step 4: Simplify right side
    2,664,384.96x = 5,297,190,084,470.11
  5. Step 5: Solve for x
    x = 5,297,190,084,470.11/2,664,384.96
  6. Step 6: Final answer
    x = 1,988,147.42

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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.