Home / 3,181,689-4,390,731.54-1,750,905

Finding the Fourth Proportional to 3,181,689, 4,390,731.54 and 1,750,905

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Solution

The fourth proportional to 3,181,689, 4,390,731.54 and 1,750,905 is: 2,416,249.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,181,689 : 4,390,731.54 = 1,750,905 : x
  2. Step 2: Convert to fraction form
    3,181,689/4,390,731.54 = 1,750,905/x
  3. Step 3: Cross multiply
    3,181,689x = 4,390,731.54 × 1,750,905
  4. Step 4: Simplify right side
    3,181,689x = 7,687,753,807,043.70
  5. Step 5: Solve for x
    x = 7,687,753,807,043.70/3,181,689
  6. Step 6: Final answer
    x = 2,416,249.30

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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.