Home / 1,813,045.92-2,502,126.36-1,200,143.22

Finding the Fourth Proportional to 1,813,045.92, 2,502,126.36 and 1,200,143.22

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Solution

The fourth proportional to 1,813,045.92, 2,502,126.36 and 1,200,143.22 is: 1,656,279.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813,045.92 : 2,502,126.36 = 1,200,143.22 : x
  2. Step 2: Convert to fraction form
    1,813,045.92/2,502,126.36 = 1,200,143.22/x
  3. Step 3: Cross multiply
    1,813,045.92x = 2,502,126.36 × 1,200,143.22
  4. Step 4: Simplify right side
    1,813,045.92x = 3,002,909,986,537.28
  5. Step 5: Solve for x
    x = 3,002,909,986,537.28/1,813,045.92
  6. Step 6: Final answer
    x = 1,656,279.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.