Home / 3,904,065.76-5,387,609.28-2,185,185.82

Finding the Fourth Proportional to 3,904,065.76, 5,387,609.28 and 2,185,185.82

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Solution

The fourth proportional to 3,904,065.76, 5,387,609.28 and 2,185,185.82 is: 3,015,555.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,904,065.76 : 5,387,609.28 = 2,185,185.82 : x
  2. Step 2: Convert to fraction form
    3,904,065.76/5,387,609.28 = 2,185,185.82/x
  3. Step 3: Cross multiply
    3,904,065.76x = 5,387,609.28 × 2,185,185.82
  4. Step 4: Simplify right side
    3,904,065.76x = 11,772,927,402,356.41
  5. Step 5: Solve for x
    x = 11,772,927,402,356.41/3,904,065.76
  6. Step 6: Final answer
    x = 3,015,555.61

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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.