Home / 2,946,623.40-4,419,935.10-2,820,652.20

Finding the Fourth Proportional to 2,946,623.40, 4,419,935.10 and 2,820,652.20

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Solution

The fourth proportional to 2,946,623.40, 4,419,935.10 and 2,820,652.20 is: 4,230,978.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,946,623.40 : 4,419,935.10 = 2,820,652.20 : x
  2. Step 2: Convert to fraction form
    2,946,623.40/4,419,935.10 = 2,820,652.20/x
  3. Step 3: Cross multiply
    2,946,623.40x = 4,419,935.10 × 2,820,652.20
  4. Step 4: Simplify right side
    2,946,623.40x = 12,467,099,663,672.22
  5. Step 5: Solve for x
    x = 12,467,099,663,672.22/2,946,623.40
  6. Step 6: Final answer
    x = 4,230,978.30

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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.