Home / 3,440,771.69-5,161,778.10-1,417,889.63

Finding the Fourth Proportional to 3,440,771.69, 5,161,778.10 and 1,417,889.63

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Solution

The fourth proportional to 3,440,771.69, 5,161,778.10 and 1,417,889.63 is: 2,127,090.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440,771.69 : 5,161,778.10 = 1,417,889.63 : x
  2. Step 2: Convert to fraction form
    3,440,771.69/5,161,778.10 = 1,417,889.63/x
  3. Step 3: Cross multiply
    3,440,771.69x = 5,161,778.10 × 1,417,889.63
  4. Step 4: Simplify right side
    3,440,771.69x = 7,318,831,653,255.55
  5. Step 5: Solve for x
    x = 7,318,831,653,255.55/3,440,771.69
  6. Step 6: Final answer
    x = 2,127,090.18

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Double scale
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Similar ratio
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1.5x scale

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.