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Finding the Fourth Proportional to 1,827,798.41, 2,522,440.64 and 1,012,002.11

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Solution

The fourth proportional to 1,827,798.41, 2,522,440.64 and 1,012,002.11 is: 1,396,606.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,827,798.41 : 2,522,440.64 = 1,012,002.11 : x
  2. Step 2: Convert to fraction form
    1,827,798.41/2,522,440.64 = 1,012,002.11/x
  3. Step 3: Cross multiply
    1,827,798.41x = 2,522,440.64 × 1,012,002.11
  4. Step 4: Simplify right side
    1,827,798.41x = 2,552,715,250,029.75
  5. Step 5: Solve for x
    x = 2,552,715,250,029.75/1,827,798.41
  6. Step 6: Final answer
    x = 1,396,606.56

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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.