Home / 1,971,358.44-2,956,591.50-905,375.72

Finding the Fourth Proportional to 1,971,358.44, 2,956,591.50 and 905,375.72

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Solution

The fourth proportional to 1,971,358.44, 2,956,591.50 and 905,375.72 is: 1,357,858.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,358.44 : 2,956,591.50 = 905,375.72 : x
  2. Step 2: Convert to fraction form
    1,971,358.44/2,956,591.50 = 905,375.72/x
  3. Step 3: Cross multiply
    1,971,358.44x = 2,956,591.50 × 905,375.72
  4. Step 4: Simplify right side
    1,971,358.44x = 2,676,826,158,058.38
  5. Step 5: Solve for x
    x = 2,676,826,158,058.38/1,971,358.44
  6. Step 6: Final answer
    x = 1,357,858.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.