Home / 2,127,661.20-3,191,491.80-864,838.80

Finding the Fourth Proportional to 2,127,661.20, 3,191,491.80 and 864,838.80

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Solution

The fourth proportional to 2,127,661.20, 3,191,491.80 and 864,838.80 is: 1,297,258.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127,661.20 : 3,191,491.80 = 864,838.80 : x
  2. Step 2: Convert to fraction form
    2,127,661.20/3,191,491.80 = 864,838.80/x
  3. Step 3: Cross multiply
    2,127,661.20x = 3,191,491.80 × 864,838.80
  4. Step 4: Simplify right side
    2,127,661.20x = 2,760,125,938,521.84
  5. Step 5: Solve for x
    x = 2,760,125,938,521.84/2,127,661.20
  6. Step 6: Final answer
    x = 1,297,258.20

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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.