Home / 1,913,117.94-2,640,222.60-1,053,678

Finding the Fourth Proportional to 1,913,117.94, 2,640,222.60 and 1,053,678

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Solution

The fourth proportional to 1,913,117.94, 2,640,222.60 and 1,053,678 is: 1,454,141.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,117.94 : 2,640,222.60 = 1,053,678 : x
  2. Step 2: Convert to fraction form
    1,913,117.94/2,640,222.60 = 1,053,678/x
  3. Step 3: Cross multiply
    1,913,117.94x = 2,640,222.60 × 1,053,678
  4. Step 4: Simplify right side
    1,913,117.94x = 2,781,944,468,722.80
  5. Step 5: Solve for x
    x = 2,781,944,468,722.80/1,913,117.94
  6. Step 6: Final answer
    x = 1,454,141.65

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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.