Home / 1,899,101.46-2,620,760.10-1,039,661.72

Finding the Fourth Proportional to 1,899,101.46, 2,620,760.10 and 1,039,661.72

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Solution

The fourth proportional to 1,899,101.46, 2,620,760.10 and 1,039,661.72 is: 1,434,733.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899,101.46 : 2,620,760.10 = 1,039,661.72 : x
  2. Step 2: Convert to fraction form
    1,899,101.46/2,620,760.10 = 1,039,661.72/x
  3. Step 3: Cross multiply
    1,899,101.46x = 2,620,760.10 × 1,039,661.72
  4. Step 4: Simplify right side
    1,899,101.46x = 2,724,703,940,169.57
  5. Step 5: Solve for x
    x = 2,724,703,940,169.57/1,899,101.46
  6. Step 6: Final answer
    x = 1,434,733.21

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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.