Home / 2,075,178.20-3,109,851.30-1,649,442.20

Finding the Fourth Proportional to 2,075,178.20, 3,109,851.30 and 1,649,442.20

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Solution

The fourth proportional to 2,075,178.20, 3,109,851.30 and 1,649,442.20 is: 2,471,845.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,075,178.20 : 3,109,851.30 = 1,649,442.20 : x
  2. Step 2: Convert to fraction form
    2,075,178.20/3,109,851.30 = 1,649,442.20/x
  3. Step 3: Cross multiply
    2,075,178.20x = 3,109,851.30 × 1,649,442.20
  4. Step 4: Simplify right side
    2,075,178.20x = 5,129,519,969,944.86
  5. Step 5: Solve for x
    x = 5,129,519,969,944.86/2,075,178.20
  6. Step 6: Final answer
    x = 2,471,845.54

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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.