Home / 1,913,056.33-2,640,137.13-1,053,616.36

Finding the Fourth Proportional to 1,913,056.33, 2,640,137.13 and 1,053,616.36

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Solution

The fourth proportional to 1,913,056.33, 2,640,137.13 and 1,053,616.36 is: 1,454,056.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,056.33 : 2,640,137.13 = 1,053,616.36 : x
  2. Step 2: Convert to fraction form
    1,913,056.33/2,640,137.13 = 1,053,616.36/x
  3. Step 3: Cross multiply
    1,913,056.33x = 2,640,137.13 × 1,053,616.36
  4. Step 4: Simplify right side
    1,913,056.33x = 2,781,691,672,811.45
  5. Step 5: Solve for x
    x = 2,781,691,672,811.45/1,913,056.33
  6. Step 6: Final answer
    x = 1,454,056.33

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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.