Home / 1,914,395.28-2,641,740.57-1,054,955.31

Finding the Fourth Proportional to 1,914,395.28, 2,641,740.57 and 1,054,955.31

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Solution

The fourth proportional to 1,914,395.28, 2,641,740.57 and 1,054,955.31 is: 1,455,769.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,914,395.28 : 2,641,740.57 = 1,054,955.31 : x
  2. Step 2: Convert to fraction form
    1,914,395.28/2,641,740.57 = 1,054,955.31/x
  3. Step 3: Cross multiply
    1,914,395.28x = 2,641,740.57 × 1,054,955.31
  4. Step 4: Simplify right side
    1,914,395.28x = 2,786,918,241,963.93
  5. Step 5: Solve for x
    x = 2,786,918,241,963.93/1,914,395.28
  6. Step 6: Final answer
    x = 1,455,769.49

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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.