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Finding the Fourth Proportional to 1,889,117.02, 2,606,983.14 and 1,029,660.04

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Solution

The fourth proportional to 1,889,117.02, 2,606,983.14 and 1,029,660.04 is: 1,420,931.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889,117.02 : 2,606,983.14 = 1,029,660.04 : x
  2. Step 2: Convert to fraction form
    1,889,117.02/2,606,983.14 = 1,029,660.04/x
  3. Step 3: Cross multiply
    1,889,117.02x = 2,606,983.14 × 1,029,660.04
  4. Step 4: Simplify right side
    1,889,117.02x = 2,684,306,364,211.73
  5. Step 5: Solve for x
    x = 2,684,306,364,211.73/1,889,117.02
  6. Step 6: Final answer
    x = 1,420,931.76

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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.