Home / 2,601,823.26-3,899,970.09-1,253,145.18

Finding the Fourth Proportional to 2,601,823.26, 3,899,970.09 and 1,253,145.18

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Solution

The fourth proportional to 2,601,823.26, 3,899,970.09 and 1,253,145.18 is: 1,878,386.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,601,823.26 : 3,899,970.09 = 1,253,145.18 : x
  2. Step 2: Convert to fraction form
    2,601,823.26/3,899,970.09 = 1,253,145.18/x
  3. Step 3: Cross multiply
    2,601,823.26x = 3,899,970.09 × 1,253,145.18
  4. Step 4: Simplify right side
    2,601,823.26x = 4,887,228,720,427.67
  5. Step 5: Solve for x
    x = 4,887,228,720,427.67/2,601,823.26
  6. Step 6: Final answer
    x = 1,878,386.13

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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.