Home / 3,141,451.49-4,707,817.47-1,431,415.67

Finding the Fourth Proportional to 3,141,451.49, 4,707,817.47 and 1,431,415.67

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Solution

The fourth proportional to 3,141,451.49, 4,707,817.47 and 1,431,415.67 is: 2,145,136.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,141,451.49 : 4,707,817.47 = 1,431,415.67 : x
  2. Step 2: Convert to fraction form
    3,141,451.49/4,707,817.47 = 1,431,415.67/x
  3. Step 3: Cross multiply
    3,141,451.49x = 4,707,817.47 × 1,431,415.67
  4. Step 4: Simplify right side
    3,141,451.49x = 6,738,843,674,518.67
  5. Step 5: Solve for x
    x = 6,738,843,674,518.67/3,141,451.49
  6. Step 6: Final answer
    x = 2,145,136.96

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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.