Home / 2,170,956.74-2,993,959.85-1,355,236.11

Finding the Fourth Proportional to 2,170,956.74, 2,993,959.85 and 1,355,236.11

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Solution

The fourth proportional to 2,170,956.74, 2,993,959.85 and 1,355,236.11 is: 1,869,002.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170,956.74 : 2,993,959.85 = 1,355,236.11 : x
  2. Step 2: Convert to fraction form
    2,170,956.74/2,993,959.85 = 1,355,236.11/x
  3. Step 3: Cross multiply
    2,170,956.74x = 2,993,959.85 × 1,355,236.11
  4. Step 4: Simplify right side
    2,170,956.74x = 4,057,522,493,834.00
  5. Step 5: Solve for x
    x = 4,057,522,493,834.00/2,170,956.74
  6. Step 6: Final answer
    x = 1,869,002.01

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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.