Home / 1,872,136.60-2,807,168.10-806,997.40

Finding the Fourth Proportional to 1,872,136.60, 2,807,168.10 and 806,997.40

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Solution

The fourth proportional to 1,872,136.60, 2,807,168.10 and 806,997.40 is: 1,210,049.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872,136.60 : 2,807,168.10 = 806,997.40 : x
  2. Step 2: Convert to fraction form
    1,872,136.60/2,807,168.10 = 806,997.40/x
  3. Step 3: Cross multiply
    1,872,136.60x = 2,807,168.10 × 806,997.40
  4. Step 4: Simplify right side
    1,872,136.60x = 2,265,377,358,062.94
  5. Step 5: Solve for x
    x = 2,265,377,358,062.94/1,872,136.60
  6. Step 6: Final answer
    x = 1,210,049.18

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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.