Home / 5,190,000.20-7,785,000.30-3,763,363.40

Finding the Fourth Proportional to 5,190,000.20, 7,785,000.30 and 3,763,363.40

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Solution

The fourth proportional to 5,190,000.20, 7,785,000.30 and 3,763,363.40 is: 5,645,045.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190,000.20 : 7,785,000.30 = 3,763,363.40 : x
  2. Step 2: Convert to fraction form
    5,190,000.20/7,785,000.30 = 3,763,363.40/x
  3. Step 3: Cross multiply
    5,190,000.20x = 7,785,000.30 × 3,763,363.40
  4. Step 4: Simplify right side
    5,190,000.20x = 29,297,785,198,009.02
  5. Step 5: Solve for x
    x = 29,297,785,198,009.02/5,190,000.20
  6. Step 6: Final answer
    x = 5,645,045.10

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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.