Home / 6,630,726.80-9,946,090.20-2,146,221.20

Finding the Fourth Proportional to 6,630,726.80, 9,946,090.20 and 2,146,221.20

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Solution

The fourth proportional to 6,630,726.80, 9,946,090.20 and 2,146,221.20 is: 3,219,331.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,630,726.80 : 9,946,090.20 = 2,146,221.20 : x
  2. Step 2: Convert to fraction form
    6,630,726.80/9,946,090.20 = 2,146,221.20/x
  3. Step 3: Cross multiply
    6,630,726.80x = 9,946,090.20 × 2,146,221.20
  4. Step 4: Simplify right side
    6,630,726.80x = 21,346,509,644,352.24
  5. Step 5: Solve for x
    x = 21,346,509,644,352.24/6,630,726.80
  6. Step 6: Final answer
    x = 3,219,331.80

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Double scale
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Similar ratio
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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.