Home / 5,429,665.34-7,494,243.09-3,107,903.93

Finding the Fourth Proportional to 5,429,665.34, 7,494,243.09 and 3,107,903.93

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Solution

The fourth proportional to 5,429,665.34, 7,494,243.09 and 3,107,903.93 is: 4,289,654.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429,665.34 : 7,494,243.09 = 3,107,903.93 : x
  2. Step 2: Convert to fraction form
    5,429,665.34/7,494,243.09 = 3,107,903.93/x
  3. Step 3: Cross multiply
    5,429,665.34x = 7,494,243.09 × 3,107,903.93
  4. Step 4: Simplify right side
    5,429,665.34x = 23,291,387,498,775.61
  5. Step 5: Solve for x
    x = 23,291,387,498,775.61/5,429,665.34
  6. Step 6: Final answer
    x = 4,289,654.34

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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.