Home / 2,638,104.36-3,957,443.32-840,565.32

Finding the Fourth Proportional to 2,638,104.36, 3,957,443.32 and 840,565.32

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Solution

The fourth proportional to 2,638,104.36, 3,957,443.32 and 840,565.32 is: 1,260,939.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,638,104.36 : 3,957,443.32 = 840,565.32 : x
  2. Step 2: Convert to fraction form
    2,638,104.36/3,957,443.32 = 840,565.32/x
  3. Step 3: Cross multiply
    2,638,104.36x = 3,957,443.32 × 840,565.32
  4. Step 4: Simplify right side
    2,638,104.36x = 3,326,489,610,657.66
  5. Step 5: Solve for x
    x = 3,326,489,610,657.66/2,638,104.36
  6. Step 6: Final answer
    x = 1,260,939.36

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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.