Home / 3,126,146.18-4,689,131.78-996,358.10

Finding the Fourth Proportional to 3,126,146.18, 4,689,131.78 and 996,358.10

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Solution

The fourth proportional to 3,126,146.18, 4,689,131.78 and 996,358.10 is: 1,494,509.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126,146.18 : 4,689,131.78 = 996,358.10 : x
  2. Step 2: Convert to fraction form
    3,126,146.18/4,689,131.78 = 996,358.10/x
  3. Step 3: Cross multiply
    3,126,146.18x = 4,689,131.78 × 996,358.10
  4. Step 4: Simplify right side
    3,126,146.18x = 4,672,054,430,970.42
  5. Step 5: Solve for x
    x = 4,672,054,430,970.42/3,126,146.18
  6. Step 6: Final answer
    x = 1,494,509.27

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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.