Home / 2,985,163.38-4,120,113.51-2,079,220.50

Finding the Fourth Proportional to 2,985,163.38, 4,120,113.51 and 2,079,220.50

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Solution

The fourth proportional to 2,985,163.38, 4,120,113.51 and 2,079,220.50 is: 2,869,733.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,985,163.38 : 4,120,113.51 = 2,079,220.50 : x
  2. Step 2: Convert to fraction form
    2,985,163.38/4,120,113.51 = 2,079,220.50/x
  3. Step 3: Cross multiply
    2,985,163.38x = 4,120,113.51 × 2,079,220.50
  4. Step 4: Simplify right side
    2,985,163.38x = 8,566,624,472,318.95
  5. Step 5: Solve for x
    x = 8,566,624,472,318.95/2,985,163.38
  6. Step 6: Final answer
    x = 2,869,733.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.