Home / 3,141,428.49-4,707,782.97-1,431,392.67

Finding the Fourth Proportional to 3,141,428.49, 4,707,782.97 and 1,431,392.67

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Solution

The fourth proportional to 3,141,428.49, 4,707,782.97 and 1,431,392.67 is: 2,145,102.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,141,428.49 : 4,707,782.97 = 1,431,392.67 : x
  2. Step 2: Convert to fraction form
    3,141,428.49/4,707,782.97 = 1,431,392.67/x
  3. Step 3: Cross multiply
    3,141,428.49x = 4,707,782.97 × 1,431,392.67
  4. Step 4: Simplify right side
    3,141,428.49x = 6,738,686,035,208.83
  5. Step 5: Solve for x
    x = 6,738,686,035,208.83/3,141,428.49
  6. Step 6: Final answer
    x = 2,145,102.48

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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.