Home / 3,968,853.80-5,952,720.24-1,272,828.74

Finding the Fourth Proportional to 3,968,853.80, 5,952,720.24 and 1,272,828.74

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Solution

The fourth proportional to 3,968,853.80, 5,952,720.24 and 1,272,828.74 is: 1,909,063.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,968,853.80 : 5,952,720.24 = 1,272,828.74 : x
  2. Step 2: Convert to fraction form
    3,968,853.80/5,952,720.24 = 1,272,828.74/x
  3. Step 3: Cross multiply
    3,968,853.80x = 5,952,720.24 × 1,272,828.74
  4. Step 4: Simplify right side
    3,968,853.80x = 7,576,793,372,888.10
  5. Step 5: Solve for x
    x = 7,576,793,372,888.10/3,968,853.80
  6. Step 6: Final answer
    x = 1,909,063.36

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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.