Home / 2,861,269.36-4,292,568.28-839,431.60

Finding the Fourth Proportional to 2,861,269.36, 4,292,568.28 and 839,431.60

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Solution

The fourth proportional to 2,861,269.36, 4,292,568.28 and 839,431.60 is: 1,259,342.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861,269.36 : 4,292,568.28 = 839,431.60 : x
  2. Step 2: Convert to fraction form
    2,861,269.36/4,292,568.28 = 839,431.60/x
  3. Step 3: Cross multiply
    2,861,269.36x = 4,292,568.28 × 839,431.60
  4. Step 4: Simplify right side
    2,861,269.36x = 3,603,317,459,389.65
  5. Step 5: Solve for x
    x = 3,603,317,459,389.65/2,861,269.36
  6. Step 6: Final answer
    x = 1,259,342.27

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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.