Home / 2,972,600-4,102,050.72-1,683,449.62

Finding the Fourth Proportional to 2,972,600, 4,102,050.72 and 1,683,449.62

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Solution

The fourth proportional to 2,972,600, 4,102,050.72 and 1,683,449.62 is: 2,323,082.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972,600 : 4,102,050.72 = 1,683,449.62 : x
  2. Step 2: Convert to fraction form
    2,972,600/4,102,050.72 = 1,683,449.62/x
  3. Step 3: Cross multiply
    2,972,600x = 4,102,050.72 × 1,683,449.62
  4. Step 4: Simplify right side
    2,972,600x = 6,905,595,725,804.73
  5. Step 5: Solve for x
    x = 6,905,595,725,804.73/2,972,600
  6. Step 6: Final answer
    x = 2,323,082.73

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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.