Home / 1,988,936.13-2,983,863.06-622,632.18

Finding the Fourth Proportional to 1,988,936.13, 2,983,863.06 and 622,632.18

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Solution

The fourth proportional to 1,988,936.13, 2,983,863.06 and 622,632.18 is: 934,091.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988,936.13 : 2,983,863.06 = 622,632.18 : x
  2. Step 2: Convert to fraction form
    1,988,936.13/2,983,863.06 = 622,632.18/x
  3. Step 3: Cross multiply
    1,988,936.13x = 2,983,863.06 × 622,632.18
  4. Step 4: Simplify right side
    1,988,936.13x = 1,857,849,161,869.27
  5. Step 5: Solve for x
    x = 1,857,849,161,869.27/1,988,936.13
  6. Step 6: Final answer
    x = 934,091.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.