Home / 3,280,578.40-4,920,867.60-1,036,716.40

Finding the Fourth Proportional to 3,280,578.40, 4,920,867.60 and 1,036,716.40

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Solution

The fourth proportional to 3,280,578.40, 4,920,867.60 and 1,036,716.40 is: 1,555,074.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,578.40 : 4,920,867.60 = 1,036,716.40 : x
  2. Step 2: Convert to fraction form
    3,280,578.40/4,920,867.60 = 1,036,716.40/x
  3. Step 3: Cross multiply
    3,280,578.40x = 4,920,867.60 × 1,036,716.40
  4. Step 4: Simplify right side
    3,280,578.40x = 5,101,544,143,148.64
  5. Step 5: Solve for x
    x = 5,101,544,143,148.64/3,280,578.40
  6. Step 6: Final answer
    x = 1,555,074.60

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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.