Home / 3,312,830.40-4,969,245.60-3,155,366.40

Finding the Fourth Proportional to 3,312,830.40, 4,969,245.60 and 3,155,366.40

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Solution

The fourth proportional to 3,312,830.40, 4,969,245.60 and 3,155,366.40 is: 4,733,049.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312,830.40 : 4,969,245.60 = 3,155,366.40 : x
  2. Step 2: Convert to fraction form
    3,312,830.40/4,969,245.60 = 3,155,366.40/x
  3. Step 3: Cross multiply
    3,312,830.40x = 4,969,245.60 × 3,155,366.40
  4. Step 4: Simplify right side
    3,312,830.40x = 15,679,790,599,587.84
  5. Step 5: Solve for x
    x = 15,679,790,599,587.84/3,312,830.40
  6. Step 6: Final answer
    x = 4,733,049.60

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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.