Home / 4,782,475.20-7,172,973.12-1,749,131.64

Finding the Fourth Proportional to 4,782,475.20, 7,172,973.12 and 1,749,131.64

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Solution

The fourth proportional to 4,782,475.20, 7,172,973.12 and 1,749,131.64 is: 2,623,426.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,782,475.20 : 7,172,973.12 = 1,749,131.64 : x
  2. Step 2: Convert to fraction form
    4,782,475.20/7,172,973.12 = 1,749,131.64/x
  3. Step 3: Cross multiply
    4,782,475.20x = 7,172,973.12 × 1,749,131.64
  4. Step 4: Simplify right side
    4,782,475.20x = 12,546,474,263,794.75
  5. Step 5: Solve for x
    x = 12,546,474,263,794.75/4,782,475.20
  6. Step 6: Final answer
    x = 2,623,426.93

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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.