Home / 3,957,889.60-5,461,898.15-2,147,053.60

Finding the Fourth Proportional to 3,957,889.60, 5,461,898.15 and 2,147,053.60

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Solution

The fourth proportional to 3,957,889.60, 5,461,898.15 and 2,147,053.60 is: 2,962,939.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,957,889.60 : 5,461,898.15 = 2,147,053.60 : x
  2. Step 2: Convert to fraction form
    3,957,889.60/5,461,898.15 = 2,147,053.60/x
  3. Step 3: Cross multiply
    3,957,889.60x = 5,461,898.15 × 2,147,053.60
  4. Step 4: Simplify right side
    3,957,889.60x = 11,726,988,085,790.84
  5. Step 5: Solve for x
    x = 11,726,988,085,790.84/3,957,889.60
  6. Step 6: Final answer
    x = 2,962,939.67

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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.