Home / 2,065,807.20-3,098,710.80-1,393,960.80

Finding the Fourth Proportional to 2,065,807.20, 3,098,710.80 and 1,393,960.80

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Solution

The fourth proportional to 2,065,807.20, 3,098,710.80 and 1,393,960.80 is: 2,090,941.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,065,807.20 : 3,098,710.80 = 1,393,960.80 : x
  2. Step 2: Convert to fraction form
    2,065,807.20/3,098,710.80 = 1,393,960.80/x
  3. Step 3: Cross multiply
    2,065,807.20x = 3,098,710.80 × 1,393,960.80
  4. Step 4: Simplify right side
    2,065,807.20x = 4,319,481,385,736.64
  5. Step 5: Solve for x
    x = 4,319,481,385,736.64/2,065,807.20
  6. Step 6: Final answer
    x = 2,090,941.20

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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.