Home / 2,083,078.28-3,121,779.78-1,273,746.13

Finding the Fourth Proportional to 2,083,078.28, 3,121,779.78 and 1,273,746.13

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Solution

The fourth proportional to 2,083,078.28, 3,121,779.78 and 1,273,746.13 is: 1,908,884.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,083,078.28 : 3,121,779.78 = 1,273,746.13 : x
  2. Step 2: Convert to fraction form
    2,083,078.28/3,121,779.78 = 1,273,746.13/x
  3. Step 3: Cross multiply
    2,083,078.28x = 3,121,779.78 × 1,273,746.13
  4. Step 4: Simplify right side
    2,083,078.28x = 3,976,354,913,487.25
  5. Step 5: Solve for x
    x = 3,976,354,913,487.25/2,083,078.28
  6. Step 6: Final answer
    x = 1,908,884.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.