Home / 3,963,297.28-5,469,378.24-2,152,461.28

Finding the Fourth Proportional to 3,963,297.28, 5,469,378.24 and 2,152,461.28

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Solution

The fourth proportional to 3,963,297.28, 5,469,378.24 and 2,152,461.28 is: 2,970,411.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,963,297.28 : 5,469,378.24 = 2,152,461.28 : x
  2. Step 2: Convert to fraction form
    3,963,297.28/5,469,378.24 = 2,152,461.28/x
  3. Step 3: Cross multiply
    3,963,297.28x = 5,469,378.24 × 2,152,461.28
  4. Step 4: Simplify right side
    3,963,297.28x = 11,772,624,887,274.55
  5. Step 5: Solve for x
    x = 11,772,624,887,274.55/3,963,297.28
  6. Step 6: Final answer
    x = 2,970,411.77

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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.