Home / 3,500,419.60-5,240,131.80-2,079,744.40

Finding the Fourth Proportional to 3,500,419.60, 5,240,131.80 and 2,079,744.40

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Solution

The fourth proportional to 3,500,419.60, 5,240,131.80 and 2,079,744.40 is: 3,113,379.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,500,419.60 : 5,240,131.80 = 2,079,744.40 : x
  2. Step 2: Convert to fraction form
    3,500,419.60/5,240,131.80 = 2,079,744.40/x
  3. Step 3: Cross multiply
    3,500,419.60x = 5,240,131.80 × 2,079,744.40
  4. Step 4: Simplify right side
    3,500,419.60x = 10,898,134,766,311.92
  5. Step 5: Solve for x
    x = 10,898,134,766,311.92/3,500,419.60
  6. Step 6: Final answer
    x = 3,113,379.54

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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.