Home / 5,177,455.56-7,765,658.46-1,390,446.36

Finding the Fourth Proportional to 5,177,455.56, 7,765,658.46 and 1,390,446.36

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Solution

The fourth proportional to 5,177,455.56, 7,765,658.46 and 1,390,446.36 is: 2,085,528.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177,455.56 : 7,765,658.46 = 1,390,446.36 : x
  2. Step 2: Convert to fraction form
    5,177,455.56/7,765,658.46 = 1,390,446.36/x
  3. Step 3: Cross multiply
    5,177,455.56x = 7,765,658.46 × 1,390,446.36
  4. Step 4: Simplify right side
    5,177,455.56x = 10,797,731,538,710.21
  5. Step 5: Solve for x
    x = 10,797,731,538,710.21/5,177,455.56
  6. Step 6: Final answer
    x = 2,085,528.58

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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.