Home / 1,914,385.31-2,641,869.51-1,054,976.39

Finding the Fourth Proportional to 1,914,385.31, 2,641,869.51 and 1,054,976.39

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Solution

The fourth proportional to 1,914,385.31, 2,641,869.51 and 1,054,976.39 is: 1,455,877.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,914,385.31 : 2,641,869.51 = 1,054,976.39 : x
  2. Step 2: Convert to fraction form
    1,914,385.31/2,641,869.51 = 1,054,976.39/x
  3. Step 3: Cross multiply
    1,914,385.31x = 2,641,869.51 × 1,054,976.39
  4. Step 4: Simplify right side
    1,914,385.31x = 2,787,109,958,510.87
  5. Step 5: Solve for x
    x = 2,787,109,958,510.87/1,914,385.31
  6. Step 6: Final answer
    x = 1,455,877.22

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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.