Home / 2,191,753.64-3,287,939.08-675,558.79

Finding the Fourth Proportional to 2,191,753.64, 3,287,939.08 and 675,558.79

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Solution

The fourth proportional to 2,191,753.64, 3,287,939.08 and 675,558.79 is: 1,013,433.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,753.64 : 3,287,939.08 = 675,558.79 : x
  2. Step 2: Convert to fraction form
    2,191,753.64/3,287,939.08 = 675,558.79/x
  3. Step 3: Cross multiply
    2,191,753.64x = 3,287,939.08 × 675,558.79
  4. Step 4: Simplify right side
    2,191,753.64x = 2,221,196,136,569.77
  5. Step 5: Solve for x
    x = 2,221,196,136,569.77/2,191,753.64
  6. Step 6: Final answer
    x = 1,013,433.30

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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.