Home / 1,913,212.80-2,640,251.52-1,053,776.16

Finding the Fourth Proportional to 1,913,212.80, 2,640,251.52 and 1,053,776.16

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Solution

The fourth proportional to 1,913,212.80, 2,640,251.52 and 1,053,776.16 is: 1,454,220.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,212.80 : 2,640,251.52 = 1,053,776.16 : x
  2. Step 2: Convert to fraction form
    1,913,212.80/2,640,251.52 = 1,053,776.16/x
  3. Step 3: Cross multiply
    1,913,212.80x = 2,640,251.52 × 1,053,776.16
  4. Step 4: Simplify right side
    1,913,212.80x = 2,782,234,108,179.76
  5. Step 5: Solve for x
    x = 2,782,234,108,179.76/1,913,212.80
  6. Step 6: Final answer
    x = 1,454,220.94

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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.