Home / 3,387,607.53-4,674,992.00-1,917,399.21

Finding the Fourth Proportional to 3,387,607.53, 4,674,992.00 and 1,917,399.21

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Solution

The fourth proportional to 3,387,607.53, 4,674,992.00 and 1,917,399.21 is: 2,646,063.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387,607.53 : 4,674,992.00 = 1,917,399.21 : x
  2. Step 2: Convert to fraction form
    3,387,607.53/4,674,992.00 = 1,917,399.21/x
  3. Step 3: Cross multiply
    3,387,607.53x = 4,674,992.00 × 1,917,399.21
  4. Step 4: Simplify right side
    3,387,607.53x = 8,963,825,957,969.32
  5. Step 5: Solve for x
    x = 8,963,825,957,969.32/3,387,607.53
  6. Step 6: Final answer
    x = 2,646,063.89

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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.