Home / 1,864,919.78-2,797,385.12-1,530,275.97

Finding the Fourth Proportional to 1,864,919.78, 2,797,385.12 and 1,530,275.97

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Solution

The fourth proportional to 1,864,919.78, 2,797,385.12 and 1,530,275.97 is: 2,295,418.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,864,919.78 : 2,797,385.12 = 1,530,275.97 : x
  2. Step 2: Convert to fraction form
    1,864,919.78/2,797,385.12 = 1,530,275.97/x
  3. Step 3: Cross multiply
    1,864,919.78x = 2,797,385.12 × 1,530,275.97
  4. Step 4: Simplify right side
    1,864,919.78x = 4,280,771,220,320.19
  5. Step 5: Solve for x
    x = 4,280,771,220,320.19/1,864,919.78
  6. Step 6: Final answer
    x = 2,295,418.43

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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.