Home / 5,181,211.70-7,771,817.55-1,635,355.70

Finding the Fourth Proportional to 5,181,211.70, 7,771,817.55 and 1,635,355.70

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Solution

The fourth proportional to 5,181,211.70, 7,771,817.55 and 1,635,355.70 is: 2,453,033.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181,211.70 : 7,771,817.55 = 1,635,355.70 : x
  2. Step 2: Convert to fraction form
    5,181,211.70/7,771,817.55 = 1,635,355.70/x
  3. Step 3: Cross multiply
    5,181,211.70x = 7,771,817.55 × 1,635,355.70
  4. Step 4: Simplify right side
    5,181,211.70x = 12,709,686,129,752.54
  5. Step 5: Solve for x
    x = 12,709,686,129,752.54/5,181,211.70
  6. Step 6: Final answer
    x = 2,453,033.55

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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.