Home / 2,628,276.70-3,942,415.05-1,030,891.90

Finding the Fourth Proportional to 2,628,276.70, 3,942,415.05 and 1,030,891.90

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Solution

The fourth proportional to 2,628,276.70, 3,942,415.05 and 1,030,891.90 is: 1,546,337.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628,276.70 : 3,942,415.05 = 1,030,891.90 : x
  2. Step 2: Convert to fraction form
    2,628,276.70/3,942,415.05 = 1,030,891.90/x
  3. Step 3: Cross multiply
    2,628,276.70x = 3,942,415.05 × 1,030,891.90
  4. Step 4: Simplify right side
    2,628,276.70x = 4,064,203,741,483.10
  5. Step 5: Solve for x
    x = 4,064,203,741,483.10/2,628,276.70
  6. Step 6: Final answer
    x = 1,546,337.85

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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.