Home / 1,943,431.52-2,681,928.54-1,083,991.12

Finding the Fourth Proportional to 1,943,431.52, 2,681,928.54 and 1,083,991.12

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Solution

The fourth proportional to 1,943,431.52, 2,681,928.54 and 1,083,991.12 is: 1,495,903.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943,431.52 : 2,681,928.54 = 1,083,991.12 : x
  2. Step 2: Convert to fraction form
    1,943,431.52/2,681,928.54 = 1,083,991.12/x
  3. Step 3: Cross multiply
    1,943,431.52x = 2,681,928.54 × 1,083,991.12
  4. Step 4: Simplify right side
    1,943,431.52x = 2,907,186,721,834.57
  5. Step 5: Solve for x
    x = 2,907,186,721,834.57/1,943,431.52
  6. Step 6: Final answer
    x = 1,495,903.86

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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.