Home / 2,712,150.36-4,066,749.18-818,645.76

Finding the Fourth Proportional to 2,712,150.36, 4,066,749.18 and 818,645.76

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Solution

The fourth proportional to 2,712,150.36, 4,066,749.18 and 818,645.76 is: 1,227,523.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712,150.36 : 4,066,749.18 = 818,645.76 : x
  2. Step 2: Convert to fraction form
    2,712,150.36/4,066,749.18 = 818,645.76/x
  3. Step 3: Cross multiply
    2,712,150.36x = 4,066,749.18 × 818,645.76
  4. Step 4: Simplify right side
    2,712,150.36x = 3,329,226,973,190.48
  5. Step 5: Solve for x
    x = 3,329,226,973,190.48/2,712,150.36
  6. Step 6: Final answer
    x = 1,227,523.01

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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.