Home / 5,474,495.28-8,211,215.16-1,686,961.20

Finding the Fourth Proportional to 5,474,495.28, 8,211,215.16 and 1,686,961.20

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Solution

The fourth proportional to 5,474,495.28, 8,211,215.16 and 1,686,961.20 is: 2,530,279.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,474,495.28 : 8,211,215.16 = 1,686,961.20 : x
  2. Step 2: Convert to fraction form
    5,474,495.28/8,211,215.16 = 1,686,961.20/x
  3. Step 3: Cross multiply
    5,474,495.28x = 8,211,215.16 × 1,686,961.20
  4. Step 4: Simplify right side
    5,474,495.28x = 13,852,001,379,771.79
  5. Step 5: Solve for x
    x = 13,852,001,379,771.79/5,474,495.28
  6. Step 6: Final answer
    x = 2,530,279.17

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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.