Home / 2,177,739.05-3,005,314.61-1,197,721.01

Finding the Fourth Proportional to 2,177,739.05, 3,005,314.61 and 1,197,721.01

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Solution

The fourth proportional to 2,177,739.05, 3,005,314.61 and 1,197,721.01 is: 1,652,874.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177,739.05 : 3,005,314.61 = 1,197,721.01 : x
  2. Step 2: Convert to fraction form
    2,177,739.05/3,005,314.61 = 1,197,721.01/x
  3. Step 3: Cross multiply
    2,177,739.05x = 3,005,314.61 × 1,197,721.01
  4. Step 4: Simplify right side
    2,177,739.05x = 3,599,528,451,581.64
  5. Step 5: Solve for x
    x = 3,599,528,451,581.64/2,177,739.05
  6. Step 6: Final answer
    x = 1,652,874.09

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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.