Home / 3,136,978.20-4,705,370.10-893,116.20

Finding the Fourth Proportional to 3,136,978.20, 4,705,370.10 and 893,116.20

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Solution

The fourth proportional to 3,136,978.20, 4,705,370.10 and 893,116.20 is: 1,339,646.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136,978.20 : 4,705,370.10 = 893,116.20 : x
  2. Step 2: Convert to fraction form
    3,136,978.20/4,705,370.10 = 893,116.20/x
  3. Step 3: Cross multiply
    3,136,978.20x = 4,705,370.10 × 893,116.20
  4. Step 4: Simplify right side
    3,136,978.20x = 4,202,442,263,305.62
  5. Step 5: Solve for x
    x = 4,202,442,263,305.62/3,136,978.20
  6. Step 6: Final answer
    x = 1,339,646.63

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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.