Home / 1,997,098.92-2,756,009.12-1,079,325.90

Finding the Fourth Proportional to 1,997,098.92, 2,756,009.12 and 1,079,325.90

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Solution

The fourth proportional to 1,997,098.92, 2,756,009.12 and 1,079,325.90 is: 1,489,476.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,997,098.92 : 2,756,009.12 = 1,079,325.90 : x
  2. Step 2: Convert to fraction form
    1,997,098.92/2,756,009.12 = 1,079,325.90/x
  3. Step 3: Cross multiply
    1,997,098.92x = 2,756,009.12 × 1,079,325.90
  4. Step 4: Simplify right side
    1,997,098.92x = 2,974,632,018,455.58
  5. Step 5: Solve for x
    x = 2,974,632,018,455.58/1,997,098.92
  6. Step 6: Final answer
    x = 1,489,476.55

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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.