Home / 3,115,066.20-4,299,007.14-1,738,678.43

Finding the Fourth Proportional to 3,115,066.20, 4,299,007.14 and 1,738,678.43

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Solution

The fourth proportional to 3,115,066.20, 4,299,007.14 and 1,738,678.43 is: 2,399,496.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,066.20 : 4,299,007.14 = 1,738,678.43 : x
  2. Step 2: Convert to fraction form
    3,115,066.20/4,299,007.14 = 1,738,678.43/x
  3. Step 3: Cross multiply
    3,115,066.20x = 4,299,007.14 × 1,738,678.43
  4. Step 4: Simplify right side
    3,115,066.20x = 7,474,590,984,733.99
  5. Step 5: Solve for x
    x = 7,474,590,984,733.99/3,115,066.20
  6. Step 6: Final answer
    x = 2,399,496.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.