Home / 2,147,105.28-2,963,011.44-1,229,348.50

Finding the Fourth Proportional to 2,147,105.28, 2,963,011.44 and 1,229,348.50

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Solution

The fourth proportional to 2,147,105.28, 2,963,011.44 and 1,229,348.50 is: 1,696,504.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147,105.28 : 2,963,011.44 = 1,229,348.50 : x
  2. Step 2: Convert to fraction form
    2,147,105.28/2,963,011.44 = 1,229,348.50/x
  3. Step 3: Cross multiply
    2,147,105.28x = 2,963,011.44 × 1,229,348.50
  4. Step 4: Simplify right side
    2,147,105.28x = 3,642,573,669,246.84
  5. Step 5: Solve for x
    x = 3,642,573,669,246.84/2,147,105.28
  6. Step 6: Final answer
    x = 1,696,504.45

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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.