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Finding the Fourth Proportional to 2,154,396.97, 2,973,050.00 and 1,174,318.18

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Solution

The fourth proportional to 2,154,396.97, 2,973,050.00 and 1,174,318.18 is: 1,620,549.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,396.97 : 2,973,050.00 = 1,174,318.18 : x
  2. Step 2: Convert to fraction form
    2,154,396.97/2,973,050.00 = 1,174,318.18/x
  3. Step 3: Cross multiply
    2,154,396.97x = 2,973,050.00 × 1,174,318.18
  4. Step 4: Simplify right side
    2,154,396.97x = 3,491,306,653,119.55
  5. Step 5: Solve for x
    x = 3,491,306,653,119.55/2,154,396.97
  6. Step 6: Final answer
    x = 1,620,549.37

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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.