Home / 6,321,686.34-8,723,948.78-3,421,076.48

Finding the Fourth Proportional to 6,321,686.34, 8,723,948.78 and 3,421,076.48

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Solution

The fourth proportional to 6,321,686.34, 8,723,948.78 and 3,421,076.48 is: 4,721,097.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,321,686.34 : 8,723,948.78 = 3,421,076.48 : x
  2. Step 2: Convert to fraction form
    6,321,686.34/8,723,948.78 = 3,421,076.48/x
  3. Step 3: Cross multiply
    6,321,686.34x = 8,723,948.78 × 3,421,076.48
  4. Step 4: Simplify right side
    6,321,686.34x = 29,845,295,983,982.69
  5. Step 5: Solve for x
    x = 29,845,295,983,982.69/6,321,686.34
  6. Step 6: Final answer
    x = 4,721,097.25

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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.