Home / 4,077,990.40-6,113,163.79-1,380,427.96

Finding the Fourth Proportional to 4,077,990.40, 6,113,163.79 and 1,380,427.96

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Solution

The fourth proportional to 4,077,990.40, 6,113,163.79 and 1,380,427.96 is: 2,069,348.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,077,990.40 : 6,113,163.79 = 1,380,427.96 : x
  2. Step 2: Convert to fraction form
    4,077,990.40/6,113,163.79 = 1,380,427.96/x
  3. Step 3: Cross multiply
    4,077,990.40x = 6,113,163.79 × 1,380,427.96
  4. Step 4: Simplify right side
    4,077,990.40x = 8,438,782,219,775.57
  5. Step 5: Solve for x
    x = 8,438,782,219,775.57/4,077,990.40
  6. Step 6: Final answer
    x = 2,069,348.23

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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.