Home / 1,999,591.22-2,999,697.87-651,439.98

Finding the Fourth Proportional to 1,999,591.22, 2,999,697.87 and 651,439.98

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Solution

The fourth proportional to 1,999,591.22, 2,999,697.87 and 651,439.98 is: 977,261.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,999,591.22 : 2,999,697.87 = 651,439.98 : x
  2. Step 2: Convert to fraction form
    1,999,591.22/2,999,697.87 = 651,439.98/x
  3. Step 3: Cross multiply
    1,999,591.22x = 2,999,697.87 × 651,439.98
  4. Step 4: Simplify right side
    1,999,591.22x = 1,954,123,120,438.84
  5. Step 5: Solve for x
    x = 1,954,123,120,438.84/1,999,591.22
  6. Step 6: Final answer
    x = 977,261.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.