Home / 3,118,028-4,302,891.60-1,687,244

Finding the Fourth Proportional to 3,118,028, 4,302,891.60 and 1,687,244

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Solution

The fourth proportional to 3,118,028, 4,302,891.60 and 1,687,244 is: 2,328,403.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,028 : 4,302,891.60 = 1,687,244 : x
  2. Step 2: Convert to fraction form
    3,118,028/4,302,891.60 = 1,687,244/x
  3. Step 3: Cross multiply
    3,118,028x = 4,302,891.60 × 1,687,244
  4. Step 4: Simplify right side
    3,118,028x = 7,260,028,034,750.40
  5. Step 5: Solve for x
    x = 7,260,028,034,750.40/3,118,028
  6. Step 6: Final answer
    x = 2,328,403.73

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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.