Home / 1,913,228.55-2,640,255.32-1,053,788.83

Finding the Fourth Proportional to 1,913,228.55, 2,640,255.32 and 1,053,788.83

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Solution

The fourth proportional to 1,913,228.55, 2,640,255.32 and 1,053,788.83 is: 1,454,228.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,228.55 : 2,640,255.32 = 1,053,788.83 : x
  2. Step 2: Convert to fraction form
    1,913,228.55/2,640,255.32 = 1,053,788.83/x
  3. Step 3: Cross multiply
    1,913,228.55x = 2,640,255.32 × 1,053,788.83
  4. Step 4: Simplify right side
    1,913,228.55x = 2,782,271,552,694.49
  5. Step 5: Solve for x
    x = 2,782,271,552,694.49/1,913,228.55
  6. Step 6: Final answer
    x = 1,454,228.54

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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.