Home / 1,917,372.09-2,646,028.86-1,057,987.71

Finding the Fourth Proportional to 1,917,372.09, 2,646,028.86 and 1,057,987.71

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Solution

The fourth proportional to 1,917,372.09, 2,646,028.86 and 1,057,987.71 is: 1,460,053.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,372.09 : 2,646,028.86 = 1,057,987.71 : x
  2. Step 2: Convert to fraction form
    1,917,372.09/2,646,028.86 = 1,057,987.71/x
  3. Step 3: Cross multiply
    1,917,372.09x = 2,646,028.86 × 1,057,987.71
  4. Step 4: Simplify right side
    1,917,372.09x = 2,799,466,010,217.86
  5. Step 5: Solve for x
    x = 2,799,466,010,217.86/1,917,372.09
  6. Step 6: Final answer
    x = 1,460,053.59

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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.