Home / 2,551,035.56-3,520,428.75-1,405,115.91

Finding the Fourth Proportional to 2,551,035.56, 3,520,428.75 and 1,405,115.91

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Solution

The fourth proportional to 2,551,035.56, 3,520,428.75 and 1,405,115.91 is: 1,939,059.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551,035.56 : 3,520,428.75 = 1,405,115.91 : x
  2. Step 2: Convert to fraction form
    2,551,035.56/3,520,428.75 = 1,405,115.91/x
  3. Step 3: Cross multiply
    2,551,035.56x = 3,520,428.75 × 1,405,115.91
  4. Step 4: Simplify right side
    2,551,035.56x = 4,946,610,446,646.41
  5. Step 5: Solve for x
    x = 4,946,610,446,646.41/2,551,035.56
  6. Step 6: Final answer
    x = 1,939,059.78

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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.