Home / 4,708,756.80-7,049,138.40-3,113,121.60

Finding the Fourth Proportional to 4,708,756.80, 7,049,138.40 and 3,113,121.60

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Solution

The fourth proportional to 4,708,756.80, 7,049,138.40 and 3,113,121.60 is: 4,660,428.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,708,756.80 : 7,049,138.40 = 3,113,121.60 : x
  2. Step 2: Convert to fraction form
    4,708,756.80/7,049,138.40 = 3,113,121.60/x
  3. Step 3: Cross multiply
    4,708,756.80x = 7,049,138.40 × 3,113,121.60
  4. Step 4: Simplify right side
    4,708,756.80x = 21,944,825,014,429.44
  5. Step 5: Solve for x
    x = 21,944,825,014,429.44/4,708,756.80
  6. Step 6: Final answer
    x = 4,660,428.63

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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.