Home / 3,538,688.20-5,308,046-1,076,728.12

Finding the Fourth Proportional to 3,538,688.20, 5,308,046 and 1,076,728.12

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Solution

The fourth proportional to 3,538,688.20, 5,308,046 and 1,076,728.12 is: 1,615,096.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538,688.20 : 5,308,046 = 1,076,728.12 : x
  2. Step 2: Convert to fraction form
    3,538,688.20/5,308,046 = 1,076,728.12/x
  3. Step 3: Cross multiply
    3,538,688.20x = 5,308,046 × 1,076,728.12
  4. Step 4: Simplify right side
    3,538,688.20x = 5,715,322,390,453.52
  5. Step 5: Solve for x
    x = 5,715,322,390,453.52/3,538,688.20
  6. Step 6: Final answer
    x = 1,615,096.35

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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.