Home / 2,689,099.75-4,031,218.41-982,038.72

Finding the Fourth Proportional to 2,689,099.75, 4,031,218.41 and 982,038.72

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Solution

The fourth proportional to 2,689,099.75, 4,031,218.41 and 982,038.72 is: 1,472,170.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,689,099.75 : 4,031,218.41 = 982,038.72 : x
  2. Step 2: Convert to fraction form
    2,689,099.75/4,031,218.41 = 982,038.72/x
  3. Step 3: Cross multiply
    2,689,099.75x = 4,031,218.41 × 982,038.72
  4. Step 4: Simplify right side
    2,689,099.75x = 3,958,812,567,396.84
  5. Step 5: Solve for x
    x = 3,958,812,567,396.84/2,689,099.75
  6. Step 6: Final answer
    x = 1,472,170.22

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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.