Home / 3,469,663.40-5,197,496.70-1,972,005.80

Finding the Fourth Proportional to 3,469,663.40, 5,197,496.70 and 1,972,005.80

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Solution

The fourth proportional to 3,469,663.40, 5,197,496.70 and 1,972,005.80 is: 2,954,031.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,469,663.40 : 5,197,496.70 = 1,972,005.80 : x
  2. Step 2: Convert to fraction form
    3,469,663.40/5,197,496.70 = 1,972,005.80/x
  3. Step 3: Cross multiply
    3,469,663.40x = 5,197,496.70 × 1,972,005.80
  4. Step 4: Simplify right side
    3,469,663.40x = 10,249,493,637,880.86
  5. Step 5: Solve for x
    x = 10,249,493,637,880.86/3,469,663.40
  6. Step 6: Final answer
    x = 2,954,031.11

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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.