Home / 3,556,961.80-5,338,941.90-1,761,872.20

Finding the Fourth Proportional to 3,556,961.80, 5,338,941.90 and 1,761,872.20

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Solution

The fourth proportional to 3,556,961.80, 5,338,941.90 and 1,761,872.20 is: 2,644,541.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556,961.80 : 5,338,941.90 = 1,761,872.20 : x
  2. Step 2: Convert to fraction form
    3,556,961.80/5,338,941.90 = 1,761,872.20/x
  3. Step 3: Cross multiply
    3,556,961.80x = 5,338,941.90 × 1,761,872.20
  4. Step 4: Simplify right side
    3,556,961.80x = 9,406,533,311,025.18
  5. Step 5: Solve for x
    x = 9,406,533,311,025.18/3,556,961.80
  6. Step 6: Final answer
    x = 2,644,541.56

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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.