Home / 5,075,723.31-6,996,749.20-3,111,965.78

Finding the Fourth Proportional to 5,075,723.31, 6,996,749.20 and 3,111,965.78

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Solution

The fourth proportional to 5,075,723.31, 6,996,749.20 and 3,111,965.78 is: 4,289,761.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,075,723.31 : 6,996,749.20 = 3,111,965.78 : x
  2. Step 2: Convert to fraction form
    5,075,723.31/6,996,749.20 = 3,111,965.78/x
  3. Step 3: Cross multiply
    5,075,723.31x = 6,996,749.20 × 3,111,965.78
  4. Step 4: Simplify right side
    5,075,723.31x = 21,773,644,081,642.38
  5. Step 5: Solve for x
    x = 21,773,644,081,642.38/5,075,723.31
  6. Step 6: Final answer
    x = 4,289,761.82

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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.