Home / 3,689,674.93-5,091,878.03-2,140,819.66

Finding the Fourth Proportional to 3,689,674.93, 5,091,878.03 and 2,140,819.66

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Solution

The fourth proportional to 3,689,674.93, 5,091,878.03 and 2,140,819.66 is: 2,954,404.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,689,674.93 : 5,091,878.03 = 2,140,819.66 : x
  2. Step 2: Convert to fraction form
    3,689,674.93/5,091,878.03 = 2,140,819.66/x
  3. Step 3: Cross multiply
    3,689,674.93x = 5,091,878.03 × 2,140,819.66
  4. Step 4: Simplify right side
    3,689,674.93x = 10,900,792,588,606.82
  5. Step 5: Solve for x
    x = 10,900,792,588,606.82/3,689,674.93
  6. Step 6: Final answer
    x = 2,954,404.60

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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.