Home / 2,320,249.95-3,201,896.70-1,287,697.77

Finding the Fourth Proportional to 2,320,249.95, 3,201,896.70 and 1,287,697.77

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Solution

The fourth proportional to 2,320,249.95, 3,201,896.70 and 1,287,697.77 is: 1,776,996.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,320,249.95 : 3,201,896.70 = 1,287,697.77 : x
  2. Step 2: Convert to fraction form
    2,320,249.95/3,201,896.70 = 1,287,697.77/x
  3. Step 3: Cross multiply
    2,320,249.95x = 3,201,896.70 × 1,287,697.77
  4. Step 4: Simplify right side
    2,320,249.95x = 4,123,075,240,360.36
  5. Step 5: Solve for x
    x = 4,123,075,240,360.36/2,320,249.95
  6. Step 6: Final answer
    x = 1,776,996.16

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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.