Home / 2,320,530.12-3,202,281.73-1,287,977.56

Finding the Fourth Proportional to 2,320,530.12, 3,202,281.73 and 1,287,977.56

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Solution

The fourth proportional to 2,320,530.12, 3,202,281.73 and 1,287,977.56 is: 1,777,381.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,320,530.12 : 3,202,281.73 = 1,287,977.56 : x
  2. Step 2: Convert to fraction form
    2,320,530.12/3,202,281.73 = 1,287,977.56/x
  3. Step 3: Cross multiply
    2,320,530.12x = 3,202,281.73 × 1,287,977.56
  4. Step 4: Simplify right side
    2,320,530.12x = 4,124,467,009,037.98
  5. Step 5: Solve for x
    x = 4,124,467,009,037.98/2,320,530.12
  6. Step 6: Final answer
    x = 1,777,381.37

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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.