Home / 2,121,089.42-3,181,640.68-523,652.68

Finding the Fourth Proportional to 2,121,089.42, 3,181,640.68 and 523,652.68

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Solution

The fourth proportional to 2,121,089.42, 3,181,640.68 and 523,652.68 is: 785,480.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,121,089.42 : 3,181,640.68 = 523,652.68 : x
  2. Step 2: Convert to fraction form
    2,121,089.42/3,181,640.68 = 523,652.68/x
  3. Step 3: Cross multiply
    2,121,089.42x = 3,181,640.68 × 523,652.68
  4. Step 4: Simplify right side
    2,121,089.42x = 1,666,074,673,510.64
  5. Step 5: Solve for x
    x = 1,666,074,673,510.64/2,121,089.42
  6. Step 6: Final answer
    x = 785,480.64

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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.