Home / 5,298,828.76-7,311,966.78-3,006,989.43

Finding the Fourth Proportional to 5,298,828.76, 7,311,966.78 and 3,006,989.43

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Solution

The fourth proportional to 5,298,828.76, 7,311,966.78 and 3,006,989.43 is: 4,149,408.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,298,828.76 : 7,311,966.78 = 3,006,989.43 : x
  2. Step 2: Convert to fraction form
    5,298,828.76/7,311,966.78 = 3,006,989.43/x
  3. Step 3: Cross multiply
    5,298,828.76x = 7,311,966.78 × 3,006,989.43
  4. Step 4: Simplify right side
    5,298,828.76x = 21,987,006,819,971.14
  5. Step 5: Solve for x
    x = 21,987,006,819,971.14/5,298,828.76
  6. Step 6: Final answer
    x = 4,149,408.83

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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.