Home / 2,187,659.86-3,018,971.16-1,207,599.44

Finding the Fourth Proportional to 2,187,659.86, 3,018,971.16 and 1,207,599.44

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Solution

The fourth proportional to 2,187,659.86, 3,018,971.16 and 1,207,599.44 is: 1,666,487.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,659.86 : 3,018,971.16 = 1,207,599.44 : x
  2. Step 2: Convert to fraction form
    2,187,659.86/3,018,971.16 = 1,207,599.44/x
  3. Step 3: Cross multiply
    2,187,659.86x = 3,018,971.16 × 1,207,599.44
  4. Step 4: Simplify right side
    2,187,659.86x = 3,645,707,882,192.15
  5. Step 5: Solve for x
    x = 3,645,707,882,192.15/2,187,659.86
  6. Step 6: Final answer
    x = 1,666,487.53

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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.