Home / 3,778,035.21-5,213,690.54-2,146,445.43

Finding the Fourth Proportional to 3,778,035.21, 5,213,690.54 and 2,146,445.43

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Solution

The fourth proportional to 3,778,035.21, 5,213,690.54 and 2,146,445.43 is: 2,962,095.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,778,035.21 : 5,213,690.54 = 2,146,445.43 : x
  2. Step 2: Convert to fraction form
    3,778,035.21/5,213,690.54 = 2,146,445.43/x
  3. Step 3: Cross multiply
    3,778,035.21x = 5,213,690.54 × 2,146,445.43
  4. Step 4: Simplify right side
    3,778,035.21x = 11,190,902,222,285.01
  5. Step 5: Solve for x
    x = 11,190,902,222,285.01/3,778,035.21
  6. Step 6: Final answer
    x = 2,962,095.80

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1.5x scale

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.