Home / 1,845,021.84-2,767,729.58-780,171.54

Finding the Fourth Proportional to 1,845,021.84, 2,767,729.58 and 780,171.54

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Solution

The fourth proportional to 1,845,021.84, 2,767,729.58 and 780,171.54 is: 1,170,340.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845,021.84 : 2,767,729.58 = 780,171.54 : x
  2. Step 2: Convert to fraction form
    1,845,021.84/2,767,729.58 = 780,171.54/x
  3. Step 3: Cross multiply
    1,845,021.84x = 2,767,729.58 × 780,171.54
  4. Step 4: Simplify right side
    1,845,021.84x = 2,159,303,848,732.15
  5. Step 5: Solve for x
    x = 2,159,303,848,732.15/1,845,021.84
  6. Step 6: Final answer
    x = 1,170,340.54

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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.