Home / 6,920,400.65-10,380,604.60-1,802,817

Finding the Fourth Proportional to 6,920,400.65, 10,380,604.60 and 1,802,817

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Solution

The fourth proportional to 6,920,400.65, 10,380,604.60 and 1,802,817 is: 2,704,226.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,920,400.65 : 10,380,604.60 = 1,802,817 : x
  2. Step 2: Convert to fraction form
    6,920,400.65/10,380,604.60 = 1,802,817/x
  3. Step 3: Cross multiply
    6,920,400.65x = 10,380,604.60 × 1,802,817
  4. Step 4: Simplify right side
    6,920,400.65x = 18,714,330,435,270.88
  5. Step 5: Solve for x
    x = 18,714,330,435,270.88/6,920,400.65
  6. Step 6: Final answer
    x = 2,704,226.45

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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.