Home / 2,188,881.80-3,283,322.70-1,347,907.40

Finding the Fourth Proportional to 2,188,881.80, 3,283,322.70 and 1,347,907.40

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Solution

The fourth proportional to 2,188,881.80, 3,283,322.70 and 1,347,907.40 is: 2,021,861.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188,881.80 : 3,283,322.70 = 1,347,907.40 : x
  2. Step 2: Convert to fraction form
    2,188,881.80/3,283,322.70 = 1,347,907.40/x
  3. Step 3: Cross multiply
    2,188,881.80x = 3,283,322.70 × 1,347,907.40
  4. Step 4: Simplify right side
    2,188,881.80x = 4,425,614,963,917.98
  5. Step 5: Solve for x
    x = 4,425,614,963,917.98/2,188,881.80
  6. Step 6: Final answer
    x = 2,021,861.10

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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.