Home / 3,071,099.88-4,239,477-1,983,901.68

Finding the Fourth Proportional to 3,071,099.88, 4,239,477 and 1,983,901.68

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Solution

The fourth proportional to 3,071,099.88, 4,239,477 and 1,983,901.68 is: 2,738,662.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,071,099.88 : 4,239,477 = 1,983,901.68 : x
  2. Step 2: Convert to fraction form
    3,071,099.88/4,239,477 = 1,983,901.68/x
  3. Step 3: Cross multiply
    3,071,099.88x = 4,239,477 × 1,983,901.68
  4. Step 4: Simplify right side
    3,071,099.88x = 8,410,705,542,621.36
  5. Step 5: Solve for x
    x = 8,410,705,542,621.36/3,071,099.88
  6. Step 6: Final answer
    x = 2,738,662.33

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1.5x scale

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.