Home / 3,211,867.10-4,432,398.46-1,761,572.90

Finding the Fourth Proportional to 3,211,867.10, 4,432,398.46 and 1,761,572.90

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Solution

The fourth proportional to 3,211,867.10, 4,432,398.46 and 1,761,572.90 is: 2,430,982.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211,867.10 : 4,432,398.46 = 1,761,572.90 : x
  2. Step 2: Convert to fraction form
    3,211,867.10/4,432,398.46 = 1,761,572.90/x
  3. Step 3: Cross multiply
    3,211,867.10x = 4,432,398.46 × 1,761,572.90
  4. Step 4: Simplify right side
    3,211,867.10x = 7,807,993,009,137.73
  5. Step 5: Solve for x
    x = 7,807,993,009,137.73/3,211,867.10
  6. Step 6: Final answer
    x = 2,430,982.59

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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.