Home / 2,876,725.89-3,971,374.11-2,101,486.32

Finding the Fourth Proportional to 2,876,725.89, 3,971,374.11 and 2,101,486.32

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Solution

The fourth proportional to 2,876,725.89, 3,971,374.11 and 2,101,486.32 is: 2,901,141.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,876,725.89 : 3,971,374.11 = 2,101,486.32 : x
  2. Step 2: Convert to fraction form
    2,876,725.89/3,971,374.11 = 2,101,486.32/x
  3. Step 3: Cross multiply
    2,876,725.89x = 3,971,374.11 × 2,101,486.32
  4. Step 4: Simplify right side
    2,876,725.89x = 8,345,788,363,767.17
  5. Step 5: Solve for x
    x = 8,345,788,363,767.17/2,876,725.89
  6. Step 6: Final answer
    x = 2,901,141.33

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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.