Home / 3,121,435.12-4,307,930.16-1,763,395.60

Finding the Fourth Proportional to 3,121,435.12, 4,307,930.16 and 1,763,395.60

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Solution

The fourth proportional to 3,121,435.12, 4,307,930.16 and 1,763,395.60 is: 2,433,683.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121,435.12 : 4,307,930.16 = 1,763,395.60 : x
  2. Step 2: Convert to fraction form
    3,121,435.12/4,307,930.16 = 1,763,395.60/x
  3. Step 3: Cross multiply
    3,121,435.12x = 4,307,930.16 × 1,763,395.60
  4. Step 4: Simplify right side
    3,121,435.12x = 7,596,585,089,251.30
  5. Step 5: Solve for x
    x = 7,596,585,089,251.30/3,121,435.12
  6. Step 6: Final answer
    x = 2,433,683.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.