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Finding the Fourth Proportional to 2,047,261.92, 2,824,307.88 and 1,187,324.16

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Solution

The fourth proportional to 2,047,261.92, 2,824,307.88 and 1,187,324.16 is: 1,637,977.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,047,261.92 : 2,824,307.88 = 1,187,324.16 : x
  2. Step 2: Convert to fraction form
    2,047,261.92/2,824,307.88 = 1,187,324.16/x
  3. Step 3: Cross multiply
    2,047,261.92x = 2,824,307.88 × 1,187,324.16
  4. Step 4: Simplify right side
    2,047,261.92x = 3,353,368,981,202.38
  5. Step 5: Solve for x
    x = 3,353,368,981,202.38/2,047,261.92
  6. Step 6: Final answer
    x = 1,637,977.51

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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.