Home / 5,429,890.74-7,494,554.28-3,108,129.18

Finding the Fourth Proportional to 5,429,890.74, 7,494,554.28 and 3,108,129.18

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Solution

The fourth proportional to 5,429,890.74, 7,494,554.28 and 3,108,129.18 is: 4,289,965.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429,890.74 : 7,494,554.28 = 3,108,129.18 : x
  2. Step 2: Convert to fraction form
    5,429,890.74/7,494,554.28 = 3,108,129.18/x
  3. Step 3: Cross multiply
    5,429,890.74x = 7,494,554.28 × 3,108,129.18
  4. Step 4: Simplify right side
    5,429,890.74x = 23,294,042,848,761.89
  5. Step 5: Solve for x
    x = 23,294,042,848,761.89/5,429,890.74
  6. Step 6: Final answer
    x = 4,289,965.30

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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.