Home / 2,011,640.80-3,013,524.60-1,210,542.70

Finding the Fourth Proportional to 2,011,640.80, 3,013,524.60 and 1,210,542.70

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Solution

The fourth proportional to 2,011,640.80, 3,013,524.60 and 1,210,542.70 is: 1,813,445.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,011,640.80 : 3,013,524.60 = 1,210,542.70 : x
  2. Step 2: Convert to fraction form
    2,011,640.80/3,013,524.60 = 1,210,542.70/x
  3. Step 3: Cross multiply
    2,011,640.80x = 3,013,524.60 × 1,210,542.70
  4. Step 4: Simplify right side
    2,011,640.80x = 3,648,000,205,800.42
  5. Step 5: Solve for x
    x = 3,648,000,205,800.42/2,011,640.80
  6. Step 6: Final answer
    x = 1,813,445.13

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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.