Home / 2,084,915.16-3,127,606.09-664,641.72

Finding the Fourth Proportional to 2,084,915.16, 3,127,606.09 and 664,641.72

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Solution

The fourth proportional to 2,084,915.16, 3,127,606.09 and 664,641.72 is: 997,036.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,084,915.16 : 3,127,606.09 = 664,641.72 : x
  2. Step 2: Convert to fraction form
    2,084,915.16/3,127,606.09 = 664,641.72/x
  3. Step 3: Cross multiply
    2,084,915.16x = 3,127,606.09 × 664,641.72
  4. Step 4: Simplify right side
    2,084,915.16x = 2,078,737,489,478.47
  5. Step 5: Solve for x
    x = 2,078,737,489,478.47/2,084,915.16
  6. Step 6: Final answer
    x = 997,036.97

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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.