Home / 5,430,813.40-8,146,220.10-3,541,245.40

Finding the Fourth Proportional to 5,430,813.40, 8,146,220.10 and 3,541,245.40

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Solution

The fourth proportional to 5,430,813.40, 8,146,220.10 and 3,541,245.40 is: 5,311,868.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430,813.40 : 8,146,220.10 = 3,541,245.40 : x
  2. Step 2: Convert to fraction form
    5,430,813.40/8,146,220.10 = 3,541,245.40/x
  3. Step 3: Cross multiply
    5,430,813.40x = 8,146,220.10 × 3,541,245.40
  4. Step 4: Simplify right side
    5,430,813.40x = 28,847,764,456,512.54
  5. Step 5: Solve for x
    x = 28,847,764,456,512.54/5,430,813.40
  6. Step 6: Final answer
    x = 5,311,868.10

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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.