Home / 3,127,996.20-4,688,495.10-1,330,573.80

Finding the Fourth Proportional to 3,127,996.20, 4,688,495.10 and 1,330,573.80

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Solution

The fourth proportional to 3,127,996.20, 4,688,495.10 and 1,330,573.80 is: 1,994,372.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127,996.20 : 4,688,495.10 = 1,330,573.80 : x
  2. Step 2: Convert to fraction form
    3,127,996.20/4,688,495.10 = 1,330,573.80/x
  3. Step 3: Cross multiply
    3,127,996.20x = 4,688,495.10 × 1,330,573.80
  4. Step 4: Simplify right side
    3,127,996.20x = 6,238,388,741,488.38
  5. Step 5: Solve for x
    x = 6,238,388,741,488.38/3,127,996.20
  6. Step 6: Final answer
    x = 1,994,372.23

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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.