Home / 4,885,419.20-7,328,128.80-2,048,734.40

Finding the Fourth Proportional to 4,885,419.20, 7,328,128.80 and 2,048,734.40

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Solution

The fourth proportional to 4,885,419.20, 7,328,128.80 and 2,048,734.40 is: 3,073,101.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,885,419.20 : 7,328,128.80 = 2,048,734.40 : x
  2. Step 2: Convert to fraction form
    4,885,419.20/7,328,128.80 = 2,048,734.40/x
  3. Step 3: Cross multiply
    4,885,419.20x = 7,328,128.80 × 2,048,734.40
  4. Step 4: Simplify right side
    4,885,419.20x = 15,013,389,560,190.72
  5. Step 5: Solve for x
    x = 15,013,389,560,190.72/4,885,419.20
  6. Step 6: Final answer
    x = 3,073,101.60

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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.