Home / 2,267,136.80-3,400,705.20-771,228.80

Finding the Fourth Proportional to 2,267,136.80, 3,400,705.20 and 771,228.80

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Solution

The fourth proportional to 2,267,136.80, 3,400,705.20 and 771,228.80 is: 1,156,843.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,267,136.80 : 3,400,705.20 = 771,228.80 : x
  2. Step 2: Convert to fraction form
    2,267,136.80/3,400,705.20 = 771,228.80/x
  3. Step 3: Cross multiply
    2,267,136.80x = 3,400,705.20 × 771,228.80
  4. Step 4: Simplify right side
    2,267,136.80x = 2,622,721,790,549.76
  5. Step 5: Solve for x
    x = 2,622,721,790,549.76/2,267,136.80
  6. Step 6: Final answer
    x = 1,156,843.20

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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.