Home / 2,542,638.40-3,814,099.75-813,659.07

Finding the Fourth Proportional to 2,542,638.40, 3,814,099.75 and 813,659.07

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Solution

The fourth proportional to 2,542,638.40, 3,814,099.75 and 813,659.07 is: 1,220,534.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,542,638.40 : 3,814,099.75 = 813,659.07 : x
  2. Step 2: Convert to fraction form
    2,542,638.40/3,814,099.75 = 813,659.07/x
  3. Step 3: Cross multiply
    2,542,638.40x = 3,814,099.75 × 813,659.07
  4. Step 4: Simplify right side
    2,542,638.40x = 3,103,376,870,792.18
  5. Step 5: Solve for x
    x = 3,103,376,870,792.18/2,542,638.40
  6. Step 6: Final answer
    x = 1,220,534.10

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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.