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Finding the Fourth Proportional to 1,894,661.74, 2,614,629.18 and 1,035,228.16

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Solution

The fourth proportional to 1,894,661.74, 2,614,629.18 and 1,035,228.16 is: 1,428,612.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,894,661.74 : 2,614,629.18 = 1,035,228.16 : x
  2. Step 2: Convert to fraction form
    1,894,661.74/2,614,629.18 = 1,035,228.16/x
  3. Step 3: Cross multiply
    1,894,661.74x = 2,614,629.18 × 1,035,228.16
  4. Step 4: Simplify right side
    1,894,661.74x = 2,706,737,755,093.71
  5. Step 5: Solve for x
    x = 2,706,737,755,093.71/1,894,661.74
  6. Step 6: Final answer
    x = 1,428,612.66

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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.