Home / 2,185,477.20-3,278,215.80-765,061.20

Finding the Fourth Proportional to 2,185,477.20, 3,278,215.80 and 765,061.20

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Solution

The fourth proportional to 2,185,477.20, 3,278,215.80 and 765,061.20 is: 1,147,591.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185,477.20 : 3,278,215.80 = 765,061.20 : x
  2. Step 2: Convert to fraction form
    2,185,477.20/3,278,215.80 = 765,061.20/x
  3. Step 3: Cross multiply
    2,185,477.20x = 3,278,215.80 × 765,061.20
  4. Step 4: Simplify right side
    2,185,477.20x = 2,508,035,713,806.96
  5. Step 5: Solve for x
    x = 2,508,035,713,806.96/2,185,477.20
  6. Step 6: Final answer
    x = 1,147,591.80

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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.