Home / 3,320,763.28-4,977,819-1,296,223.36

Finding the Fourth Proportional to 3,320,763.28, 4,977,819 and 1,296,223.36

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Solution

The fourth proportional to 3,320,763.28, 4,977,819 and 1,296,223.36 is: 1,943,036.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320,763.28 : 4,977,819 = 1,296,223.36 : x
  2. Step 2: Convert to fraction form
    3,320,763.28/4,977,819 = 1,296,223.36/x
  3. Step 3: Cross multiply
    3,320,763.28x = 4,977,819 × 1,296,223.36
  4. Step 4: Simplify right side
    3,320,763.28x = 6,452,365,269,651.84
  5. Step 5: Solve for x
    x = 6,452,365,269,651.84/3,320,763.28
  6. Step 6: Final answer
    x = 1,943,036.80

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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.