Home / 1,580,116.88-2,180,559.88-891,933.60

Finding the Fourth Proportional to 1,580,116.88, 2,180,559.88 and 891,933.60

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Solution

The fourth proportional to 1,580,116.88, 2,180,559.88 and 891,933.60 is: 1,230,867.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,116.88 : 2,180,559.88 = 891,933.60 : x
  2. Step 2: Convert to fraction form
    1,580,116.88/2,180,559.88 = 891,933.60/x
  3. Step 3: Cross multiply
    1,580,116.88x = 2,180,559.88 × 891,933.60
  4. Step 4: Simplify right side
    1,580,116.88x = 1,944,914,623,783.97
  5. Step 5: Solve for x
    x = 1,944,914,623,783.97/1,580,116.88
  6. Step 6: Final answer
    x = 1,230,867.57

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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.