Home / 2,685,281.60-4,030,125.60-2,664,286.40

Finding the Fourth Proportional to 2,685,281.60, 4,030,125.60 and 2,664,286.40

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Solution

The fourth proportional to 2,685,281.60, 4,030,125.60 and 2,664,286.40 is: 3,998,615.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685,281.60 : 4,030,125.60 = 2,664,286.40 : x
  2. Step 2: Convert to fraction form
    2,685,281.60/4,030,125.60 = 2,664,286.40/x
  3. Step 3: Cross multiply
    2,685,281.60x = 4,030,125.60 × 2,664,286.40
  4. Step 4: Simplify right side
    2,685,281.60x = 10,737,408,826,371.84
  5. Step 5: Solve for x
    x = 10,737,408,826,371.84/2,685,281.60
  6. Step 6: Final answer
    x = 3,998,615.57

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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.