Home / 2,195,943.61-3,289,118.13-912,660.30

Finding the Fourth Proportional to 2,195,943.61, 3,289,118.13 and 912,660.30

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Solution

The fourth proportional to 2,195,943.61, 3,289,118.13 and 912,660.30 is: 1,366,996.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195,943.61 : 3,289,118.13 = 912,660.30 : x
  2. Step 2: Convert to fraction form
    2,195,943.61/3,289,118.13 = 912,660.30/x
  3. Step 3: Cross multiply
    2,195,943.61x = 3,289,118.13 × 912,660.30
  4. Step 4: Simplify right side
    2,195,943.61x = 3,001,847,539,261.24
  5. Step 5: Solve for x
    x = 3,001,847,539,261.24/2,195,943.61
  6. Step 6: Final answer
    x = 1,366,996.64

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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.