Home / 5,211,222.80-7,816,834.20-1,844,992.40

Finding the Fourth Proportional to 5,211,222.80, 7,816,834.20 and 1,844,992.40

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Solution

The fourth proportional to 5,211,222.80, 7,816,834.20 and 1,844,992.40 is: 2,767,488.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,211,222.80 : 7,816,834.20 = 1,844,992.40 : x
  2. Step 2: Convert to fraction form
    5,211,222.80/7,816,834.20 = 1,844,992.40/x
  3. Step 3: Cross multiply
    5,211,222.80x = 7,816,834.20 × 1,844,992.40
  4. Step 4: Simplify right side
    5,211,222.80x = 14,421,999,691,060.08
  5. Step 5: Solve for x
    x = 14,421,999,691,060.08/5,211,222.80
  6. Step 6: Final answer
    x = 2,767,488.60

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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.