Home / 2,689,220.40-4,033,733.40-1,091,738.40

Finding the Fourth Proportional to 2,689,220.40, 4,033,733.40 and 1,091,738.40

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Solution

The fourth proportional to 2,689,220.40, 4,033,733.40 and 1,091,738.40 is: 1,637,568.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,689,220.40 : 4,033,733.40 = 1,091,738.40 : x
  2. Step 2: Convert to fraction form
    2,689,220.40/4,033,733.40 = 1,091,738.40/x
  3. Step 3: Cross multiply
    2,689,220.40x = 4,033,733.40 × 1,091,738.40
  4. Step 4: Simplify right side
    2,689,220.40x = 4,403,781,648,142.56
  5. Step 5: Solve for x
    x = 4,403,781,648,142.56/2,689,220.40
  6. Step 6: Final answer
    x = 1,637,568.14

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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.