Home / 5,180,000.40-7,770,000.60-4,676,115.60

Finding the Fourth Proportional to 5,180,000.40, 7,770,000.60 and 4,676,115.60

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Solution

The fourth proportional to 5,180,000.40, 7,770,000.60 and 4,676,115.60 is: 7,014,173.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180,000.40 : 7,770,000.60 = 4,676,115.60 : x
  2. Step 2: Convert to fraction form
    5,180,000.40/7,770,000.60 = 4,676,115.60/x
  3. Step 3: Cross multiply
    5,180,000.40x = 7,770,000.60 × 4,676,115.60
  4. Step 4: Simplify right side
    5,180,000.40x = 36,333,421,017,669.35
  5. Step 5: Solve for x
    x = 36,333,421,017,669.35/5,180,000.40
  6. Step 6: Final answer
    x = 7,014,173.40

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1.5x scale

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.