Home / 2,124,736.32-3,187,727.33-685,390.98

Finding the Fourth Proportional to 2,124,736.32, 3,187,727.33 and 685,390.98

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Solution

The fourth proportional to 2,124,736.32, 3,187,727.33 and 685,390.98 is: 1,028,287.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124,736.32 : 3,187,727.33 = 685,390.98 : x
  2. Step 2: Convert to fraction form
    2,124,736.32/3,187,727.33 = 685,390.98/x
  3. Step 3: Cross multiply
    2,124,736.32x = 3,187,727.33 × 685,390.98
  4. Step 4: Simplify right side
    2,124,736.32x = 2,184,839,558,681.48
  5. Step 5: Solve for x
    x = 2,184,839,558,681.48/2,124,736.32
  6. Step 6: Final answer
    x = 1,028,287.39

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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.