Home / 2,808,846.91-3,876,210.32-1,949,905.39

Finding the Fourth Proportional to 2,808,846.91, 3,876,210.32 and 1,949,905.39

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Solution

The fourth proportional to 2,808,846.91, 3,876,210.32 and 1,949,905.39 is: 2,690,870.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808,846.91 : 3,876,210.32 = 1,949,905.39 : x
  2. Step 2: Convert to fraction form
    2,808,846.91/3,876,210.32 = 1,949,905.39/x
  3. Step 3: Cross multiply
    2,808,846.91x = 3,876,210.32 × 1,949,905.39
  4. Step 4: Simplify right side
    2,808,846.91x = 7,558,243,416,374.36
  5. Step 5: Solve for x
    x = 7,558,243,416,374.36/2,808,846.91
  6. Step 6: Final answer
    x = 2,690,870.55

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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.