Home / 1,878,601.92-2,811,496.32-1,195,143.36

Finding the Fourth Proportional to 1,878,601.92, 2,811,496.32 and 1,195,143.36

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Solution

The fourth proportional to 1,878,601.92, 2,811,496.32 and 1,195,143.36 is: 1,788,639.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,878,601.92 : 2,811,496.32 = 1,195,143.36 : x
  2. Step 2: Convert to fraction form
    1,878,601.92/2,811,496.32 = 1,195,143.36/x
  3. Step 3: Cross multiply
    1,878,601.92x = 2,811,496.32 × 1,195,143.36
  4. Step 4: Simplify right side
    1,878,601.92x = 3,360,141,158,512.44
  5. Step 5: Solve for x
    x = 3,360,141,158,512.44/1,878,601.92
  6. Step 6: Final answer
    x = 1,788,639.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.