Home / 1,891,672.26-2,837,958.54-612,279.72

Finding the Fourth Proportional to 1,891,672.26, 2,837,958.54 and 612,279.72

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Solution

The fourth proportional to 1,891,672.26, 2,837,958.54 and 612,279.72 is: 918,565.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891,672.26 : 2,837,958.54 = 612,279.72 : x
  2. Step 2: Convert to fraction form
    1,891,672.26/2,837,958.54 = 612,279.72/x
  3. Step 3: Cross multiply
    1,891,672.26x = 2,837,958.54 × 612,279.72
  4. Step 4: Simplify right side
    1,891,672.26x = 1,737,624,460,242.81
  5. Step 5: Solve for x
    x = 1,737,624,460,242.81/1,891,672.26
  6. Step 6: Final answer
    x = 918,565.28

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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.