Home / 6,390,930.70-9,586,444.65-2,131,092.10

Finding the Fourth Proportional to 6,390,930.70, 9,586,444.65 and 2,131,092.10

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Solution

The fourth proportional to 6,390,930.70, 9,586,444.65 and 2,131,092.10 is: 3,196,654.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,390,930.70 : 9,586,444.65 = 2,131,092.10 : x
  2. Step 2: Convert to fraction form
    6,390,930.70/9,586,444.65 = 2,131,092.10/x
  3. Step 3: Cross multiply
    6,390,930.70x = 9,586,444.65 × 2,131,092.10
  4. Step 4: Simplify right side
    6,390,930.70x = 20,429,596,460,702.27
  5. Step 5: Solve for x
    x = 20,429,596,460,702.27/6,390,930.70
  6. Step 6: Final answer
    x = 3,196,654.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.