Home / 3,071,748.78-4,239,015.12-1,713,621.78

Finding the Fourth Proportional to 3,071,748.78, 4,239,015.12 and 1,713,621.78

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Solution

The fourth proportional to 3,071,748.78, 4,239,015.12 and 1,713,621.78 is: 2,364,799.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,071,748.78 : 4,239,015.12 = 1,713,621.78 : x
  2. Step 2: Convert to fraction form
    3,071,748.78/4,239,015.12 = 1,713,621.78/x
  3. Step 3: Cross multiply
    3,071,748.78x = 4,239,015.12 × 1,713,621.78
  4. Step 4: Simplify right side
    3,071,748.78x = 7,264,068,635,381.31
  5. Step 5: Solve for x
    x = 7,264,068,635,381.31/3,071,748.78
  6. Step 6: Final answer
    x = 2,364,799.06

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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.