Home / 4,853,985.78-7,279,086.16-1,819,697.64

Finding the Fourth Proportional to 4,853,985.78, 7,279,086.16 and 1,819,697.64

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Solution

The fourth proportional to 4,853,985.78, 7,279,086.16 and 1,819,697.64 is: 2,728,836.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,853,985.78 : 7,279,086.16 = 1,819,697.64 : x
  2. Step 2: Convert to fraction form
    4,853,985.78/7,279,086.16 = 1,819,697.64/x
  3. Step 3: Cross multiply
    4,853,985.78x = 7,279,086.16 × 1,819,697.64
  4. Step 4: Simplify right side
    4,853,985.78x = 13,245,735,881,686.71
  5. Step 5: Solve for x
    x = 13,245,735,881,686.71/4,853,985.78
  6. Step 6: Final answer
    x = 2,728,836.97

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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.