Home / 3,379,053.15-5,068,533.60-820,287.81

Finding the Fourth Proportional to 3,379,053.15, 5,068,533.60 and 820,287.81

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Solution

The fourth proportional to 3,379,053.15, 5,068,533.60 and 820,287.81 is: 1,230,420.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,379,053.15 : 5,068,533.60 = 820,287.81 : x
  2. Step 2: Convert to fraction form
    3,379,053.15/5,068,533.60 = 820,287.81/x
  3. Step 3: Cross multiply
    3,379,053.15x = 5,068,533.60 × 820,287.81
  4. Step 4: Simplify right side
    3,379,053.15x = 4,157,656,326,655.42
  5. Step 5: Solve for x
    x = 4,157,656,326,655.42/3,379,053.15
  6. Step 6: Final answer
    x = 1,230,420.52

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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.