Home / 5,917,363.23-8,870,715.72-2,128,181.61

Finding the Fourth Proportional to 5,917,363.23, 8,870,715.72 and 2,128,181.61

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Solution

The fourth proportional to 5,917,363.23, 8,870,715.72 and 2,128,181.61 is: 3,190,355.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,917,363.23 : 8,870,715.72 = 2,128,181.61 : x
  2. Step 2: Convert to fraction form
    5,917,363.23/8,870,715.72 = 2,128,181.61/x
  3. Step 3: Cross multiply
    5,917,363.23x = 8,870,715.72 × 2,128,181.61
  4. Step 4: Simplify right side
    5,917,363.23x = 18,878,494,062,841.91
  5. Step 5: Solve for x
    x = 18,878,494,062,841.91/5,917,363.23
  6. Step 6: Final answer
    x = 3,190,355.79

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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.