Home / 3,298,800.47-4,946,647.86-1,277,990.60

Finding the Fourth Proportional to 3,298,800.47, 4,946,647.86 and 1,277,990.60

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Solution

The fourth proportional to 3,298,800.47, 4,946,647.86 and 1,277,990.60 is: 1,916,384.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,298,800.47 : 4,946,647.86 = 1,277,990.60 : x
  2. Step 2: Convert to fraction form
    3,298,800.47/4,946,647.86 = 1,277,990.60/x
  3. Step 3: Cross multiply
    3,298,800.47x = 4,946,647.86 × 1,277,990.60
  4. Step 4: Simplify right side
    3,298,800.47x = 6,321,769,441,856.88
  5. Step 5: Solve for x
    x = 6,321,769,441,856.88/3,298,800.47
  6. Step 6: Final answer
    x = 1,916,384.31

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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.