Home / 6,821,538-9,412,829.05-4,068,548.52

Finding the Fourth Proportional to 6,821,538, 9,412,829.05 and 4,068,548.52

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Solution

The fourth proportional to 6,821,538, 9,412,829.05 and 4,068,548.52 is: 5,614,064.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,821,538 : 9,412,829.05 = 4,068,548.52 : x
  2. Step 2: Convert to fraction form
    6,821,538/9,412,829.05 = 4,068,548.52/x
  3. Step 3: Cross multiply
    6,821,538x = 9,412,829.05 × 4,068,548.52
  4. Step 4: Simplify right side
    6,821,538x = 38,296,551,700,390.51
  5. Step 5: Solve for x
    x = 38,296,551,700,390.51/6,821,538
  6. Step 6: Final answer
    x = 5,614,064.12

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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.