Home / 4,885,685.10-7,328,527.65-2,187,145.80

Finding the Fourth Proportional to 4,885,685.10, 7,328,527.65 and 2,187,145.80

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Solution

The fourth proportional to 4,885,685.10, 7,328,527.65 and 2,187,145.80 is: 3,280,718.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,885,685.10 : 7,328,527.65 = 2,187,145.80 : x
  2. Step 2: Convert to fraction form
    4,885,685.10/7,328,527.65 = 2,187,145.80/x
  3. Step 3: Cross multiply
    4,885,685.10x = 7,328,527.65 × 2,187,145.80
  4. Step 4: Simplify right side
    4,885,685.10x = 16,028,558,469,881.37
  5. Step 5: Solve for x
    x = 16,028,558,469,881.37/4,885,685.10
  6. Step 6: Final answer
    x = 3,280,718.70

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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.