Home / 1,510,196.40-2,084,049.41-831,132.90

Finding the Fourth Proportional to 1,510,196.40, 2,084,049.41 and 831,132.90

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Solution

The fourth proportional to 1,510,196.40, 2,084,049.41 and 831,132.90 is: 1,146,951.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,196.40 : 2,084,049.41 = 831,132.90 : x
  2. Step 2: Convert to fraction form
    1,510,196.40/2,084,049.41 = 831,132.90/x
  3. Step 3: Cross multiply
    1,510,196.40x = 2,084,049.41 × 831,132.90
  4. Step 4: Simplify right side
    1,510,196.40x = 1,732,122,025,720.92
  5. Step 5: Solve for x
    x = 1,732,122,025,720.92/1,510,196.40
  6. Step 6: Final answer
    x = 1,146,951.50

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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.