Home / 2,187,399.37-3,281,256.70-839,561.97

Finding the Fourth Proportional to 2,187,399.37, 3,281,256.70 and 839,561.97

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Solution

The fourth proportional to 2,187,399.37, 3,281,256.70 and 839,561.97 is: 1,259,403.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,399.37 : 3,281,256.70 = 839,561.97 : x
  2. Step 2: Convert to fraction form
    2,187,399.37/3,281,256.70 = 839,561.97/x
  3. Step 3: Cross multiply
    2,187,399.37x = 3,281,256.70 × 839,561.97
  4. Step 4: Simplify right side
    2,187,399.37x = 2,754,818,348,598.79
  5. Step 5: Solve for x
    x = 2,754,818,348,598.79/2,187,399.37
  6. Step 6: Final answer
    x = 1,259,403.47

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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.