Home / 1,913,110.94-2,640,086.24-1,053,669.21

Finding the Fourth Proportional to 1,913,110.94, 2,640,086.24 and 1,053,669.21

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Solution

The fourth proportional to 1,913,110.94, 2,640,086.24 and 1,053,669.21 is: 1,454,059.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,110.94 : 2,640,086.24 = 1,053,669.21 : x
  2. Step 2: Convert to fraction form
    1,913,110.94/2,640,086.24 = 1,053,669.21/x
  3. Step 3: Cross multiply
    1,913,110.94x = 2,640,086.24 × 1,053,669.21
  4. Step 4: Simplify right side
    1,913,110.94x = 2,781,777,577,564.32
  5. Step 5: Solve for x
    x = 2,781,777,577,564.32/1,913,110.94
  6. Step 6: Final answer
    x = 1,454,059.73

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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.