Home / 2,221,123.86-3,331,889.10-623,676.18

Finding the Fourth Proportional to 2,221,123.86, 3,331,889.10 and 623,676.18

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Solution

The fourth proportional to 2,221,123.86, 3,331,889.10 and 623,676.18 is: 935,571.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,221,123.86 : 3,331,889.10 = 623,676.18 : x
  2. Step 2: Convert to fraction form
    2,221,123.86/3,331,889.10 = 623,676.18/x
  3. Step 3: Cross multiply
    2,221,123.86x = 3,331,889.10 × 623,676.18
  4. Step 4: Simplify right side
    2,221,123.86x = 2,078,019,866,071.64
  5. Step 5: Solve for x
    x = 2,078,019,866,071.64/2,221,123.86
  6. Step 6: Final answer
    x = 935,571.36

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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.