Home / 3,115,239.60-4,298,851.26-1,738,475.34

Finding the Fourth Proportional to 3,115,239.60, 4,298,851.26 and 1,738,475.34

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Solution

The fourth proportional to 3,115,239.60, 4,298,851.26 and 1,738,475.34 is: 2,398,995.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,239.60 : 4,298,851.26 = 1,738,475.34 : x
  2. Step 2: Convert to fraction form
    3,115,239.60/4,298,851.26 = 1,738,475.34/x
  3. Step 3: Cross multiply
    3,115,239.60x = 4,298,851.26 × 1,738,475.34
  4. Step 4: Simplify right side
    3,115,239.60x = 7,473,446,905,837.93
  5. Step 5: Solve for x
    x = 7,473,446,905,837.93/3,115,239.60
  6. Step 6: Final answer
    x = 2,398,995.86

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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.