Home / 3,709,185.54-5,563,120.63-1,686,955.78

Finding the Fourth Proportional to 3,709,185.54, 5,563,120.63 and 1,686,955.78

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Solution

The fourth proportional to 3,709,185.54, 5,563,120.63 and 1,686,955.78 is: 2,530,134.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,709,185.54 : 5,563,120.63 = 1,686,955.78 : x
  2. Step 2: Convert to fraction form
    3,709,185.54/5,563,120.63 = 1,686,955.78/x
  3. Step 3: Cross multiply
    3,709,185.54x = 5,563,120.63 × 1,686,955.78
  4. Step 4: Simplify right side
    3,709,185.54x = 9,384,738,501,615.74
  5. Step 5: Solve for x
    x = 9,384,738,501,615.74/3,709,185.54
  6. Step 6: Final answer
    x = 2,530,134.55

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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.