Home / 4,271,890.25-6,408,885.18-1,280,074.25

Finding the Fourth Proportional to 4,271,890.25, 6,408,885.18 and 1,280,074.25

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Solution

The fourth proportional to 4,271,890.25, 6,408,885.18 and 1,280,074.25 is: 1,920,425.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,271,890.25 : 6,408,885.18 = 1,280,074.25 : x
  2. Step 2: Convert to fraction form
    4,271,890.25/6,408,885.18 = 1,280,074.25/x
  3. Step 3: Cross multiply
    4,271,890.25x = 6,408,885.18 × 1,280,074.25
  4. Step 4: Simplify right side
    4,271,890.25x = 8,203,848,890,124.61
  5. Step 5: Solve for x
    x = 8,203,848,890,124.61/4,271,890.25
  6. Step 6: Final answer
    x = 1,920,425.95

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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.