Home / 1,975,297.74-2,726,132.10-1,115,913.36

Finding the Fourth Proportional to 1,975,297.74, 2,726,132.10 and 1,115,913.36

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Solution

The fourth proportional to 1,975,297.74, 2,726,132.10 and 1,115,913.36 is: 1,540,085.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975,297.74 : 2,726,132.10 = 1,115,913.36 : x
  2. Step 2: Convert to fraction form
    1,975,297.74/2,726,132.10 = 1,115,913.36/x
  3. Step 3: Cross multiply
    1,975,297.74x = 2,726,132.10 × 1,115,913.36
  4. Step 4: Simplify right side
    1,975,297.74x = 3,042,127,231,514.86
  5. Step 5: Solve for x
    x = 3,042,127,231,514.86/1,975,297.74
  6. Step 6: Final answer
    x = 1,540,085.41

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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.