Home / 2,121,087.29-3,181,637.61-523,650.65

Finding the Fourth Proportional to 2,121,087.29, 3,181,637.61 and 523,650.65

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Solution

The fourth proportional to 2,121,087.29, 3,181,637.61 and 523,650.65 is: 785,477.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,121,087.29 : 3,181,637.61 = 523,650.65 : x
  2. Step 2: Convert to fraction form
    2,121,087.29/3,181,637.61 = 523,650.65/x
  3. Step 3: Cross multiply
    2,121,087.29x = 3,181,637.61 × 523,650.65
  4. Step 4: Simplify right side
    2,121,087.29x = 1,666,066,586,632.76
  5. Step 5: Solve for x
    x = 1,666,066,586,632.76/2,121,087.29
  6. Step 6: Final answer
    x = 785,477.62

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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.