Home / 2,666,003.70-3,999,005.55-1,170,095.70

Finding the Fourth Proportional to 2,666,003.70, 3,999,005.55 and 1,170,095.70

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Solution

The fourth proportional to 2,666,003.70, 3,999,005.55 and 1,170,095.70 is: 1,755,143.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666,003.70 : 3,999,005.55 = 1,170,095.70 : x
  2. Step 2: Convert to fraction form
    2,666,003.70/3,999,005.55 = 1,170,095.70/x
  3. Step 3: Cross multiply
    2,666,003.70x = 3,999,005.55 × 1,170,095.70
  4. Step 4: Simplify right side
    2,666,003.70x = 4,679,219,198,331.14
  5. Step 5: Solve for x
    x = 4,679,219,198,331.14/2,666,003.70
  6. Step 6: Final answer
    x = 1,755,143.55

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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.