Home / 3,450,389.50-4,761,555.98-1,980,180.82

Finding the Fourth Proportional to 3,450,389.50, 4,761,555.98 and 1,980,180.82

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Solution

The fourth proportional to 3,450,389.50, 4,761,555.98 and 1,980,180.82 is: 2,732,660.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450,389.50 : 4,761,555.98 = 1,980,180.82 : x
  2. Step 2: Convert to fraction form
    3,450,389.50/4,761,555.98 = 1,980,180.82/x
  3. Step 3: Cross multiply
    3,450,389.50x = 4,761,555.98 × 1,980,180.82
  4. Step 4: Simplify right side
    3,450,389.50x = 9,428,741,824,952.31
  5. Step 5: Solve for x
    x = 9,428,741,824,952.31/3,450,389.50
  6. Step 6: Final answer
    x = 2,732,660.13

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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.