Home / 3,123,176.31-4,308,252.21-1,816,285.26

Finding the Fourth Proportional to 3,123,176.31, 4,308,252.21 and 1,816,285.26

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Solution

The fourth proportional to 3,123,176.31, 4,308,252.21 and 1,816,285.26 is: 2,505,466.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,123,176.31 : 4,308,252.21 = 1,816,285.26 : x
  2. Step 2: Convert to fraction form
    3,123,176.31/4,308,252.21 = 1,816,285.26/x
  3. Step 3: Cross multiply
    3,123,176.31x = 4,308,252.21 × 1,816,285.26
  4. Step 4: Simplify right side
    3,123,176.31x = 7,825,014,985,385.43
  5. Step 5: Solve for x
    x = 7,825,014,985,385.43/3,123,176.31
  6. Step 6: Final answer
    x = 2,505,466.94

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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.