Home / 3,980,623.50-5,493,262.86-2,169,787.50

Finding the Fourth Proportional to 3,980,623.50, 5,493,262.86 and 2,169,787.50

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Solution

The fourth proportional to 3,980,623.50, 5,493,262.86 and 2,169,787.50 is: 2,994,308.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,980,623.50 : 5,493,262.86 = 2,169,787.50 : x
  2. Step 2: Convert to fraction form
    3,980,623.50/5,493,262.86 = 2,169,787.50/x
  3. Step 3: Cross multiply
    3,980,623.50x = 5,493,262.86 × 2,169,787.50
  4. Step 4: Simplify right side
    3,980,623.50x = 11,919,213,087,842.25
  5. Step 5: Solve for x
    x = 11,919,213,087,842.25/3,980,623.50
  6. Step 6: Final answer
    x = 2,994,308.07

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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.