Home / 6,308,539-8,705,791.56-3,407,929.81

Finding the Fourth Proportional to 6,308,539, 8,705,791.56 and 3,407,929.81

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Solution

The fourth proportional to 6,308,539, 8,705,791.56 and 3,407,929.81 is: 4,702,947.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,308,539 : 8,705,791.56 = 3,407,929.81 : x
  2. Step 2: Convert to fraction form
    6,308,539/8,705,791.56 = 3,407,929.81/x
  3. Step 3: Cross multiply
    6,308,539x = 8,705,791.56 × 3,407,929.81
  4. Step 4: Simplify right side
    6,308,539x = 29,668,726,576,970.41
  5. Step 5: Solve for x
    x = 29,668,726,576,970.41/6,308,539
  6. Step 6: Final answer
    x = 4,702,947.32

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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.