Home / 3,945,460.44-5,913,431.46-1,920,669.72

Finding the Fourth Proportional to 3,945,460.44, 5,913,431.46 and 1,920,669.72

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Solution

The fourth proportional to 3,945,460.44, 5,913,431.46 and 1,920,669.72 is: 2,878,687.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,945,460.44 : 5,913,431.46 = 1,920,669.72 : x
  2. Step 2: Convert to fraction form
    3,945,460.44/5,913,431.46 = 1,920,669.72/x
  3. Step 3: Cross multiply
    3,945,460.44x = 5,913,431.46 × 1,920,669.72
  4. Step 4: Simplify right side
    3,945,460.44x = 11,357,748,746,517.39
  5. Step 5: Solve for x
    x = 11,357,748,746,517.39/3,945,460.44
  6. Step 6: Final answer
    x = 2,878,687.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.