Home / 2,287,711.06-3,157,031.64-1,269,115.81

Finding the Fourth Proportional to 2,287,711.06, 3,157,031.64 and 1,269,115.81

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Solution

The fourth proportional to 2,287,711.06, 3,157,031.64 and 1,269,115.81 is: 1,751,374.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,287,711.06 : 3,157,031.64 = 1,269,115.81 : x
  2. Step 2: Convert to fraction form
    2,287,711.06/3,157,031.64 = 1,269,115.81/x
  3. Step 3: Cross multiply
    2,287,711.06x = 3,157,031.64 × 1,269,115.81
  4. Step 4: Simplify right side
    2,287,711.06x = 4,006,638,766,994.23
  5. Step 5: Solve for x
    x = 4,006,638,766,994.23/2,287,711.06
  6. Step 6: Final answer
    x = 1,751,374.48

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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.