Home / 3,880,470.97-5,355,215.63-2,161,592.65

Finding the Fourth Proportional to 3,880,470.97, 5,355,215.63 and 2,161,592.65

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Solution

The fourth proportional to 3,880,470.97, 5,355,215.63 and 2,161,592.65 is: 2,983,090.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,880,470.97 : 5,355,215.63 = 2,161,592.65 : x
  2. Step 2: Convert to fraction form
    3,880,470.97/5,355,215.63 = 2,161,592.65/x
  3. Step 3: Cross multiply
    3,880,470.97x = 5,355,215.63 × 2,161,592.65
  4. Step 4: Simplify right side
    3,880,470.97x = 11,575,794,744,973.12
  5. Step 5: Solve for x
    x = 11,575,794,744,973.12/3,880,470.97
  6. Step 6: Final answer
    x = 2,983,090.15

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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.