Home / 1,986,133.06-2,740,916.91-1,126,822.42

Finding the Fourth Proportional to 1,986,133.06, 2,740,916.91 and 1,126,822.42

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Solution

The fourth proportional to 1,986,133.06, 2,740,916.91 and 1,126,822.42 is: 1,555,045.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,133.06 : 2,740,916.91 = 1,126,822.42 : x
  2. Step 2: Convert to fraction form
    1,986,133.06/2,740,916.91 = 1,126,822.42/x
  3. Step 3: Cross multiply
    1,986,133.06x = 2,740,916.91 × 1,126,822.42
  4. Step 4: Simplify right side
    1,986,133.06x = 3,088,526,625,545.12
  5. Step 5: Solve for x
    x = 3,088,526,625,545.12/1,986,133.06
  6. Step 6: Final answer
    x = 1,555,045.17

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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.