Home / 3,803,182.47-5,248,768.82-2,171,837.61

Finding the Fourth Proportional to 3,803,182.47, 5,248,768.82 and 2,171,837.61

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Solution

The fourth proportional to 3,803,182.47, 5,248,768.82 and 2,171,837.61 is: 2,997,351.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,803,182.47 : 5,248,768.82 = 2,171,837.61 : x
  2. Step 2: Convert to fraction form
    3,803,182.47/5,248,768.82 = 2,171,837.61/x
  3. Step 3: Cross multiply
    3,803,182.47x = 5,248,768.82 × 2,171,837.61
  4. Step 4: Simplify right side
    3,803,182.47x = 11,399,473,518,612.13
  5. Step 5: Solve for x
    x = 11,399,473,518,612.13/3,803,182.47
  6. Step 6: Final answer
    x = 2,997,351.19

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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.