Home / 2,164,605.25-2,987,136-1,293,392.64

Finding the Fourth Proportional to 2,164,605.25, 2,987,136 and 1,293,392.64

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Solution

The fourth proportional to 2,164,605.25, 2,987,136 and 1,293,392.64 is: 1,784,870.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,164,605.25 : 2,987,136 = 1,293,392.64 : x
  2. Step 2: Convert to fraction form
    2,164,605.25/2,987,136 = 1,293,392.64/x
  3. Step 3: Cross multiply
    2,164,605.25x = 2,987,136 × 1,293,392.64
  4. Step 4: Simplify right side
    2,164,605.25x = 3,863,539,705,877.28
  5. Step 5: Solve for x
    x = 3,863,539,705,877.28/2,164,605.25
  6. Step 6: Final answer
    x = 1,784,870.34

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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.