Home / 4,885,688.10-7,328,532.15-2,187,148.80

Finding the Fourth Proportional to 4,885,688.10, 7,328,532.15 and 2,187,148.80

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Solution

The fourth proportional to 4,885,688.10, 7,328,532.15 and 2,187,148.80 is: 3,280,723.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,885,688.10 : 7,328,532.15 = 2,187,148.80 : x
  2. Step 2: Convert to fraction form
    4,885,688.10/7,328,532.15 = 2,187,148.80/x
  3. Step 3: Cross multiply
    4,885,688.10x = 7,328,532.15 × 2,187,148.80
  4. Step 4: Simplify right side
    4,885,688.10x = 16,028,590,297,633.92
  5. Step 5: Solve for x
    x = 16,028,590,297,633.92/4,885,688.10
  6. Step 6: Final answer
    x = 3,280,723.20

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Similar ratio
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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.