Home / 1,551,191.56-2,139,770.22-930,836.32

Finding the Fourth Proportional to 1,551,191.56, 2,139,770.22 and 930,836.32

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Solution

The fourth proportional to 1,551,191.56, 2,139,770.22 and 930,836.32 is: 1,284,029.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551,191.56 : 2,139,770.22 = 930,836.32 : x
  2. Step 2: Convert to fraction form
    1,551,191.56/2,139,770.22 = 930,836.32/x
  3. Step 3: Cross multiply
    1,551,191.56x = 2,139,770.22 × 930,836.32
  4. Step 4: Simplify right side
    1,551,191.56x = 1,991,775,837,230.39
  5. Step 5: Solve for x
    x = 1,991,775,837,230.39/1,551,191.56
  6. Step 6: Final answer
    x = 1,284,029.57

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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.