Home / 1,913,155.54-2,640,033.42-1,053,715.78

Finding the Fourth Proportional to 1,913,155.54, 2,640,033.42 and 1,053,715.78

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Solution

The fourth proportional to 1,913,155.54, 2,640,033.42 and 1,053,715.78 is: 1,454,061.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,155.54 : 2,640,033.42 = 1,053,715.78 : x
  2. Step 2: Convert to fraction form
    1,913,155.54/2,640,033.42 = 1,053,715.78/x
  3. Step 3: Cross multiply
    1,913,155.54x = 2,640,033.42 × 1,053,715.78
  4. Step 4: Simplify right side
    1,913,155.54x = 2,781,844,874,381.37
  5. Step 5: Solve for x
    x = 2,781,844,874,381.37/1,913,155.54
  6. Step 6: Final answer
    x = 1,454,061.01

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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.