Home / 3,440,670.72-4,747,856.64-1,912,684.80

Finding the Fourth Proportional to 3,440,670.72, 4,747,856.64 and 1,912,684.80

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Solution

The fourth proportional to 3,440,670.72, 4,747,856.64 and 1,912,684.80 is: 2,639,355.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440,670.72 : 4,747,856.64 = 1,912,684.80 : x
  2. Step 2: Convert to fraction form
    3,440,670.72/4,747,856.64 = 1,912,684.80/x
  3. Step 3: Cross multiply
    3,440,670.72x = 4,747,856.64 × 1,912,684.80
  4. Step 4: Simplify right side
    3,440,670.72x = 9,081,153,227,907.07
  5. Step 5: Solve for x
    x = 9,081,153,227,907.07/3,440,670.72
  6. Step 6: Final answer
    x = 2,639,355.51

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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.