Home / 3,538,615.04-5,307,913.63-979,821.45

Finding the Fourth Proportional to 3,538,615.04, 5,307,913.63 and 979,821.45

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Solution

The fourth proportional to 3,538,615.04, 5,307,913.63 and 979,821.45 is: 1,469,729.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538,615.04 : 5,307,913.63 = 979,821.45 : x
  2. Step 2: Convert to fraction form
    3,538,615.04/5,307,913.63 = 979,821.45/x
  3. Step 3: Cross multiply
    3,538,615.04x = 5,307,913.63 × 979,821.45
  4. Step 4: Simplify right side
    3,538,615.04x = 5,200,807,629,421.36
  5. Step 5: Solve for x
    x = 5,200,807,629,421.36/3,538,615.04
  6. Step 6: Final answer
    x = 1,469,729.70

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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.