Home / 2,866,685.94-3,956,190.06-1,643,195.10

Finding the Fourth Proportional to 2,866,685.94, 3,956,190.06 and 1,643,195.10

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Solution

The fourth proportional to 2,866,685.94, 3,956,190.06 and 1,643,195.10 is: 2,267,702.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,866,685.94 : 3,956,190.06 = 1,643,195.10 : x
  2. Step 2: Convert to fraction form
    2,866,685.94/3,956,190.06 = 1,643,195.10/x
  3. Step 3: Cross multiply
    2,866,685.94x = 3,956,190.06 × 1,643,195.10
  4. Step 4: Simplify right side
    2,866,685.94x = 6,500,792,121,260.71
  5. Step 5: Solve for x
    x = 6,500,792,121,260.71/2,866,685.94
  6. Step 6: Final answer
    x = 2,267,702.94

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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.