Home / 2,688,277.60-4,033,129.20-1,171,309.60

Finding the Fourth Proportional to 2,688,277.60, 4,033,129.20 and 1,171,309.60

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Solution

The fourth proportional to 2,688,277.60, 4,033,129.20 and 1,171,309.60 is: 1,757,274.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,277.60 : 4,033,129.20 = 1,171,309.60 : x
  2. Step 2: Convert to fraction form
    2,688,277.60/4,033,129.20 = 1,171,309.60/x
  3. Step 3: Cross multiply
    2,688,277.60x = 4,033,129.20 × 1,171,309.60
  4. Step 4: Simplify right side
    2,688,277.60x = 4,724,042,950,000.32
  5. Step 5: Solve for x
    x = 4,724,042,950,000.32/2,688,277.60
  6. Step 6: Final answer
    x = 1,757,274.97

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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.