Home / 3,211,694.64-4,432,195.44-1,761,377.40

Finding the Fourth Proportional to 3,211,694.64, 4,432,195.44 and 1,761,377.40

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Solution

The fourth proportional to 3,211,694.64, 4,432,195.44 and 1,761,377.40 is: 2,430,731.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211,694.64 : 4,432,195.44 = 1,761,377.40 : x
  2. Step 2: Convert to fraction form
    3,211,694.64/4,432,195.44 = 1,761,377.40/x
  3. Step 3: Cross multiply
    3,211,694.64x = 4,432,195.44 × 1,761,377.40
  4. Step 4: Simplify right side
    3,211,694.64x = 7,806,768,880,399.06
  5. Step 5: Solve for x
    x = 7,806,768,880,399.06/3,211,694.64
  6. Step 6: Final answer
    x = 2,430,731.98

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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.