Home / 1,977,645.90-2,969,968.05-1,529,456.70

Finding the Fourth Proportional to 1,977,645.90, 2,969,968.05 and 1,529,456.70

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Solution

The fourth proportional to 1,977,645.90, 2,969,968.05 and 1,529,456.70 is: 2,296,891.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,645.90 : 2,969,968.05 = 1,529,456.70 : x
  2. Step 2: Convert to fraction form
    1,977,645.90/2,969,968.05 = 1,529,456.70/x
  3. Step 3: Cross multiply
    1,977,645.90x = 2,969,968.05 × 1,529,456.70
  4. Step 4: Simplify right side
    1,977,645.90x = 4,542,437,532,858.43
  5. Step 5: Solve for x
    x = 4,542,437,532,858.43/1,977,645.90
  6. Step 6: Final answer
    x = 2,296,891.23

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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.