Home / 1,472,201.43-2,033,186.87-1,311,720.43

Finding the Fourth Proportional to 1,472,201.43, 2,033,186.87 and 1,311,720.43

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Solution

The fourth proportional to 1,472,201.43, 2,033,186.87 and 1,311,720.43 is: 1,811,554.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,201.43 : 2,033,186.87 = 1,311,720.43 : x
  2. Step 2: Convert to fraction form
    1,472,201.43/2,033,186.87 = 1,311,720.43/x
  3. Step 3: Cross multiply
    1,472,201.43x = 2,033,186.87 × 1,311,720.43
  4. Step 4: Simplify right side
    1,472,201.43x = 2,666,972,755,386.75
  5. Step 5: Solve for x
    x = 2,666,972,755,386.75/1,472,201.43
  6. Step 6: Final answer
    x = 1,811,554.25

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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.