Home / 2,813,962.38-4,220,912.42-684,048.54

Finding the Fourth Proportional to 2,813,962.38, 4,220,912.42 and 684,048.54

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Solution

The fourth proportional to 2,813,962.38, 4,220,912.42 and 684,048.54 is: 1,026,065.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,813,962.38 : 4,220,912.42 = 684,048.54 : x
  2. Step 2: Convert to fraction form
    2,813,962.38/4,220,912.42 = 684,048.54/x
  3. Step 3: Cross multiply
    2,813,962.38x = 4,220,912.42 × 684,048.54
  4. Step 4: Simplify right side
    2,813,962.38x = 2,887,308,978,368.87
  5. Step 5: Solve for x
    x = 2,887,308,978,368.87/2,813,962.38
  6. Step 6: Final answer
    x = 1,026,065.24

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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.