Home / 2,127,644.96-2,935,858.96-1,222,226.72

Finding the Fourth Proportional to 2,127,644.96, 2,935,858.96 and 1,222,226.72

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Solution

The fourth proportional to 2,127,644.96, 2,935,858.96 and 1,222,226.72 is: 1,686,505.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127,644.96 : 2,935,858.96 = 1,222,226.72 : x
  2. Step 2: Convert to fraction form
    2,127,644.96/2,935,858.96 = 1,222,226.72/x
  3. Step 3: Cross multiply
    2,127,644.96x = 2,935,858.96 × 1,222,226.72
  4. Step 4: Simplify right side
    2,127,644.96x = 3,588,285,267,063.41
  5. Step 5: Solve for x
    x = 3,588,285,267,063.41/2,127,644.96
  6. Step 6: Final answer
    x = 1,686,505.66

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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.