Home / 1,728,313.20-2,592,469.80-1,670,252.40

Finding the Fourth Proportional to 1,728,313.20, 2,592,469.80 and 1,670,252.40

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Solution

The fourth proportional to 1,728,313.20, 2,592,469.80 and 1,670,252.40 is: 2,505,378.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,313.20 : 2,592,469.80 = 1,670,252.40 : x
  2. Step 2: Convert to fraction form
    1,728,313.20/2,592,469.80 = 1,670,252.40/x
  3. Step 3: Cross multiply
    1,728,313.20x = 2,592,469.80 × 1,670,252.40
  4. Step 4: Simplify right side
    1,728,313.20x = 4,330,078,905,377.52
  5. Step 5: Solve for x
    x = 4,330,078,905,377.52/1,728,313.20
  6. Step 6: Final answer
    x = 2,505,378.60

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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.