Home / 5,187,538.56-7,158,775.32-3,012,615.84

Finding the Fourth Proportional to 5,187,538.56, 7,158,775.32 and 3,012,615.84

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Solution

The fourth proportional to 5,187,538.56, 7,158,775.32 and 3,012,615.84 is: 4,157,393.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,187,538.56 : 7,158,775.32 = 3,012,615.84 : x
  2. Step 2: Convert to fraction form
    5,187,538.56/7,158,775.32 = 3,012,615.84/x
  3. Step 3: Cross multiply
    5,187,538.56x = 7,158,775.32 × 3,012,615.84
  4. Step 4: Simplify right side
    5,187,538.56x = 21,566,639,924,033.07
  5. Step 5: Solve for x
    x = 21,566,639,924,033.07/5,187,538.56
  6. Step 6: Final answer
    x = 4,157,393.66

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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.