Home / 2,188,807.24-3,020,583.88-1,208,812.37

Finding the Fourth Proportional to 2,188,807.24, 3,020,583.88 and 1,208,812.37

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Solution

The fourth proportional to 2,188,807.24, 3,020,583.88 and 1,208,812.37 is: 1,668,177.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188,807.24 : 3,020,583.88 = 1,208,812.37 : x
  2. Step 2: Convert to fraction form
    2,188,807.24/3,020,583.88 = 1,208,812.37/x
  3. Step 3: Cross multiply
    2,188,807.24x = 3,020,583.88 × 1,208,812.37
  4. Step 4: Simplify right side
    2,188,807.24x = 3,651,319,143,048.52
  5. Step 5: Solve for x
    x = 3,651,319,143,048.52/2,188,807.24
  6. Step 6: Final answer
    x = 1,668,177.57

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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.