Home / 2,078,233.45-2,869,942.85-1,965,013.18

Finding the Fourth Proportional to 2,078,233.45, 2,869,942.85 and 1,965,013.18

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Solution

The fourth proportional to 2,078,233.45, 2,869,942.85 and 1,965,013.18 is: 2,713,590.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,233.45 : 2,869,942.85 = 1,965,013.18 : x
  2. Step 2: Convert to fraction form
    2,078,233.45/2,869,942.85 = 1,965,013.18/x
  3. Step 3: Cross multiply
    2,078,233.45x = 2,869,942.85 × 1,965,013.18
  4. Step 4: Simplify right side
    2,078,233.45x = 5,639,475,516,271.70
  5. Step 5: Solve for x
    x = 5,639,475,516,271.70/2,078,233.45
  6. Step 6: Final answer
    x = 2,713,590.97

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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.