Home / 1,912,182.81-2,638,712.07-1,052,575.17

Finding the Fourth Proportional to 1,912,182.81, 2,638,712.07 and 1,052,575.17

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Solution

The fourth proportional to 1,912,182.81, 2,638,712.07 and 1,052,575.17 is: 1,452,498.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,182.81 : 2,638,712.07 = 1,052,575.17 : x
  2. Step 2: Convert to fraction form
    1,912,182.81/2,638,712.07 = 1,052,575.17/x
  3. Step 3: Cross multiply
    1,912,182.81x = 2,638,712.07 × 1,052,575.17
  4. Step 4: Simplify right side
    1,912,182.81x = 2,777,442,805,661.30
  5. Step 5: Solve for x
    x = 2,777,442,805,661.30/1,912,182.81
  6. Step 6: Final answer
    x = 1,452,498.57

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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.