Home / 3,132,478.20-4,688,219.70-2,754,564.60

Finding the Fourth Proportional to 3,132,478.20, 4,688,219.70 and 2,754,564.60

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Solution

The fourth proportional to 3,132,478.20, 4,688,219.70 and 2,754,564.60 is: 4,122,615.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132,478.20 : 4,688,219.70 = 2,754,564.60 : x
  2. Step 2: Convert to fraction form
    3,132,478.20/4,688,219.70 = 2,754,564.60/x
  3. Step 3: Cross multiply
    3,132,478.20x = 4,688,219.70 × 2,754,564.60
  4. Step 4: Simplify right side
    3,132,478.20x = 12,914,004,022,642.62
  5. Step 5: Solve for x
    x = 12,914,004,022,642.62/3,132,478.20
  6. Step 6: Final answer
    x = 4,122,615.77

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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.