Home / 5,289,657.60-7,951,399.20-4,915,243.20

Finding the Fourth Proportional to 5,289,657.60, 7,951,399.20 and 4,915,243.20

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Solution

The fourth proportional to 5,289,657.60, 7,951,399.20 and 4,915,243.20 is: 7,388,580.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,289,657.60 : 7,951,399.20 = 4,915,243.20 : x
  2. Step 2: Convert to fraction form
    5,289,657.60/7,951,399.20 = 4,915,243.20/x
  3. Step 3: Cross multiply
    5,289,657.60x = 7,951,399.20 × 4,915,243.20
  4. Step 4: Simplify right side
    5,289,657.60x = 39,083,060,848,285.45
  5. Step 5: Solve for x
    x = 39,083,060,848,285.45/5,289,657.60
  6. Step 6: Final answer
    x = 7,388,580.47

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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.