Home / 1,919,817.98-2,879,202.08-721,648.16

Finding the Fourth Proportional to 1,919,817.98, 2,879,202.08 and 721,648.16

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Solution

The fourth proportional to 1,919,817.98, 2,879,202.08 and 721,648.16 is: 1,082,274.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919,817.98 : 2,879,202.08 = 721,648.16 : x
  2. Step 2: Convert to fraction form
    1,919,817.98/2,879,202.08 = 721,648.16/x
  3. Step 3: Cross multiply
    1,919,817.98x = 2,879,202.08 × 721,648.16
  4. Step 4: Simplify right side
    1,919,817.98x = 2,077,770,865,295.92
  5. Step 5: Solve for x
    x = 2,077,770,865,295.92/1,919,817.98
  6. Step 6: Final answer
    x = 1,082,274.93

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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.