Home / 3,438,168.30-5,153,485.95-1,729,586.70

Finding the Fourth Proportional to 3,438,168.30, 5,153,485.95 and 1,729,586.70

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Solution

The fourth proportional to 3,438,168.30, 5,153,485.95 and 1,729,586.70 is: 2,592,485.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438,168.30 : 5,153,485.95 = 1,729,586.70 : x
  2. Step 2: Convert to fraction form
    3,438,168.30/5,153,485.95 = 1,729,586.70/x
  3. Step 3: Cross multiply
    3,438,168.30x = 5,153,485.95 × 1,729,586.70
  4. Step 4: Simplify right side
    3,438,168.30x = 8,913,400,757,756.87
  5. Step 5: Solve for x
    x = 8,913,400,757,756.87/3,438,168.30
  6. Step 6: Final answer
    x = 2,592,485.29

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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.