Home / 1,540,347.69-2,125,693.71-851,983.41

Finding the Fourth Proportional to 1,540,347.69, 2,125,693.71 and 851,983.41

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Solution

The fourth proportional to 1,540,347.69, 2,125,693.71 and 851,983.41 is: 1,175,744.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,347.69 : 2,125,693.71 = 851,983.41 : x
  2. Step 2: Convert to fraction form
    1,540,347.69/2,125,693.71 = 851,983.41/x
  3. Step 3: Cross multiply
    1,540,347.69x = 2,125,693.71 × 851,983.41
  4. Step 4: Simplify right side
    1,540,347.69x = 1,811,055,775,661.35
  5. Step 5: Solve for x
    x = 1,811,055,775,661.35/1,540,347.69
  6. Step 6: Final answer
    x = 1,175,744.79

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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.