Home / 1,928,534.96-2,661,402.49-1,112,907.89

Finding the Fourth Proportional to 1,928,534.96, 2,661,402.49 and 1,112,907.89

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Solution

The fourth proportional to 1,928,534.96, 2,661,402.49 and 1,112,907.89 is: 1,535,826.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928,534.96 : 2,661,402.49 = 1,112,907.89 : x
  2. Step 2: Convert to fraction form
    1,928,534.96/2,661,402.49 = 1,112,907.89/x
  3. Step 3: Cross multiply
    1,928,534.96x = 2,661,402.49 × 1,112,907.89
  4. Step 4: Simplify right side
    1,928,534.96x = 2,961,895,813,497.36
  5. Step 5: Solve for x
    x = 2,961,895,813,497.36/1,928,534.96
  6. Step 6: Final answer
    x = 1,535,826.88

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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.