Home / 6,321,686.36-8,723,948.80-3,421,076.48

Finding the Fourth Proportional to 6,321,686.36, 8,723,948.80 and 3,421,076.48

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Solution

The fourth proportional to 6,321,686.36, 8,723,948.80 and 3,421,076.48 is: 4,721,097.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,321,686.36 : 8,723,948.80 = 3,421,076.48 : x
  2. Step 2: Convert to fraction form
    6,321,686.36/8,723,948.80 = 3,421,076.48/x
  3. Step 3: Cross multiply
    6,321,686.36x = 8,723,948.80 × 3,421,076.48
  4. Step 4: Simplify right side
    6,321,686.36x = 29,845,296,052,404.23
  5. Step 5: Solve for x
    x = 29,845,296,052,404.23/6,321,686.36
  6. Step 6: Final answer
    x = 4,721,097.24

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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.