Home / 5,728,405.20-7,903,264.26-3,247,359.72

Finding the Fourth Proportional to 5,728,405.20, 7,903,264.26 and 3,247,359.72

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Solution

The fourth proportional to 5,728,405.20, 7,903,264.26 and 3,247,359.72 is: 4,480,259.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,728,405.20 : 7,903,264.26 = 3,247,359.72 : x
  2. Step 2: Convert to fraction form
    5,728,405.20/7,903,264.26 = 3,247,359.72/x
  3. Step 3: Cross multiply
    5,728,405.20x = 7,903,264.26 × 3,247,359.72
  4. Step 4: Simplify right side
    5,728,405.20x = 25,664,742,014,439.61
  5. Step 5: Solve for x
    x = 25,664,742,014,439.61/5,728,405.20
  6. Step 6: Final answer
    x = 4,480,259.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.