Home / 1,879,039.46-2,593,066.66-1,115,721.38

Finding the Fourth Proportional to 1,879,039.46, 2,593,066.66 and 1,115,721.38

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Solution

The fourth proportional to 1,879,039.46, 2,593,066.66 and 1,115,721.38 is: 1,539,690.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879,039.46 : 2,593,066.66 = 1,115,721.38 : x
  2. Step 2: Convert to fraction form
    1,879,039.46/2,593,066.66 = 1,115,721.38/x
  3. Step 3: Cross multiply
    1,879,039.46x = 2,593,066.66 × 1,115,721.38
  4. Step 4: Simplify right side
    1,879,039.46x = 2,893,139,912,327.19
  5. Step 5: Solve for x
    x = 2,893,139,912,327.19/1,879,039.46
  6. Step 6: Final answer
    x = 1,539,690.88

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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.