Home / 1,351,534.13-1,855,182.16-1,195,145.81

Finding the Fourth Proportional to 1,351,534.13, 1,855,182.16 and 1,195,145.81

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Solution

The fourth proportional to 1,351,534.13, 1,855,182.16 and 1,195,145.81 is: 1,640,515.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351,534.13 : 1,855,182.16 = 1,195,145.81 : x
  2. Step 2: Convert to fraction form
    1,351,534.13/1,855,182.16 = 1,195,145.81/x
  3. Step 3: Cross multiply
    1,351,534.13x = 1,855,182.16 × 1,195,145.81
  4. Step 4: Simplify right side
    1,351,534.13x = 2,217,213,179,335.02
  5. Step 5: Solve for x
    x = 2,217,213,179,335.02/1,351,534.13
  6. Step 6: Final answer
    x = 1,640,515.86

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.