Home / 2,877,219.62-3,970,280.21-1,587,976.89

Finding the Fourth Proportional to 2,877,219.62, 3,970,280.21 and 1,587,976.89

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Solution

The fourth proportional to 2,877,219.62, 3,970,280.21 and 1,587,976.89 is: 2,191,251.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877,219.62 : 3,970,280.21 = 1,587,976.89 : x
  2. Step 2: Convert to fraction form
    2,877,219.62/3,970,280.21 = 1,587,976.89/x
  3. Step 3: Cross multiply
    2,877,219.62x = 3,970,280.21 × 1,587,976.89
  4. Step 4: Simplify right side
    2,877,219.62x = 6,304,713,212,364.46
  5. Step 5: Solve for x
    x = 6,304,713,212,364.46/2,877,219.62
  6. Step 6: Final answer
    x = 2,191,251.99

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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.