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Finding the Fourth Proportional to 1,888,190.06, 2,834,754.73 and 1,121,088.19

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Solution

The fourth proportional to 1,888,190.06, 2,834,754.73 and 1,121,088.19 is: 1,683,098.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888,190.06 : 2,834,754.73 = 1,121,088.19 : x
  2. Step 2: Convert to fraction form
    1,888,190.06/2,834,754.73 = 1,121,088.19/x
  3. Step 3: Cross multiply
    1,888,190.06x = 2,834,754.73 × 1,121,088.19
  4. Step 4: Simplify right side
    1,888,190.06x = 3,178,010,049,349.64
  5. Step 5: Solve for x
    x = 3,178,010,049,349.64/1,888,190.06
  6. Step 6: Final answer
    x = 1,683,098.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.