Home / 2,666,933.51-3,680,433.05-1,521,120.47

Finding the Fourth Proportional to 2,666,933.51, 3,680,433.05 and 1,521,120.47

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Solution

The fourth proportional to 2,666,933.51, 3,680,433.05 and 1,521,120.47 is: 2,099,183.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666,933.51 : 3,680,433.05 = 1,521,120.47 : x
  2. Step 2: Convert to fraction form
    2,666,933.51/3,680,433.05 = 1,521,120.47/x
  3. Step 3: Cross multiply
    2,666,933.51x = 3,680,433.05 × 1,521,120.47
  4. Step 4: Simplify right side
    2,666,933.51x = 5,598,382,024,811.77
  5. Step 5: Solve for x
    x = 5,598,382,024,811.77/2,666,933.51
  6. Step 6: Final answer
    x = 2,099,183.21

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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.