Home / 2,181,650.82-3,010,670.55-1,214,792.70

Finding the Fourth Proportional to 2,181,650.82, 3,010,670.55 and 1,214,792.70

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Solution

The fourth proportional to 2,181,650.82, 3,010,670.55 and 1,214,792.70 is: 1,676,409.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,181,650.82 : 3,010,670.55 = 1,214,792.70 : x
  2. Step 2: Convert to fraction form
    2,181,650.82/3,010,670.55 = 1,214,792.70/x
  3. Step 3: Cross multiply
    2,181,650.82x = 3,010,670.55 × 1,214,792.70
  4. Step 4: Simplify right side
    2,181,650.82x = 3,657,340,606,244.99
  5. Step 5: Solve for x
    x = 3,657,340,606,244.99/2,181,650.82
  6. Step 6: Final answer
    x = 1,676,409.70

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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.