Home / 2,172,247.30-3,257,386.80-823,961.80

Finding the Fourth Proportional to 2,172,247.30, 3,257,386.80 and 823,961.80

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Solution

The fourth proportional to 2,172,247.30, 3,257,386.80 and 823,961.80 is: 1,235,569.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,247.30 : 3,257,386.80 = 823,961.80 : x
  2. Step 2: Convert to fraction form
    2,172,247.30/3,257,386.80 = 823,961.80/x
  3. Step 3: Cross multiply
    2,172,247.30x = 3,257,386.80 × 823,961.80
  4. Step 4: Simplify right side
    2,172,247.30x = 2,683,962,291,024.24
  5. Step 5: Solve for x
    x = 2,683,962,291,024.24/2,172,247.30
  6. Step 6: Final answer
    x = 1,235,569.40

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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.