Home / 2,978,397.44-4,433,909.80-2,960,682.88

Finding the Fourth Proportional to 2,978,397.44, 4,433,909.80 and 2,960,682.88

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Solution

The fourth proportional to 2,978,397.44, 4,433,909.80 and 2,960,682.88 is: 4,407,538.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,978,397.44 : 4,433,909.80 = 2,960,682.88 : x
  2. Step 2: Convert to fraction form
    2,978,397.44/4,433,909.80 = 2,960,682.88/x
  3. Step 3: Cross multiply
    2,978,397.44x = 4,433,909.80 × 2,960,682.88
  4. Step 4: Simplify right side
    2,978,397.44x = 13,127,400,836,324.22
  5. Step 5: Solve for x
    x = 13,127,400,836,324.22/2,978,397.44
  6. Step 6: Final answer
    x = 4,407,538.32

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.