Home / 5,638,340.79-7,780,914.23-3,060,021.51

Finding the Fourth Proportional to 5,638,340.79, 7,780,914.23 and 3,060,021.51

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Solution

The fourth proportional to 5,638,340.79, 7,780,914.23 and 3,060,021.51 is: 4,222,831.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,638,340.79 : 7,780,914.23 = 3,060,021.51 : x
  2. Step 2: Convert to fraction form
    5,638,340.79/7,780,914.23 = 3,060,021.51/x
  3. Step 3: Cross multiply
    5,638,340.79x = 7,780,914.23 × 3,060,021.51
  4. Step 4: Simplify right side
    5,638,340.79x = 23,809,764,895,964.98
  5. Step 5: Solve for x
    x = 23,809,764,895,964.98/5,638,340.79
  6. Step 6: Final answer
    x = 4,222,831.82

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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.