Home / 2,919,791.80-4,376,706.90-1,973,258.20

Finding the Fourth Proportional to 2,919,791.80, 4,376,706.90 and 1,973,258.20

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Solution

The fourth proportional to 2,919,791.80, 4,376,706.90 and 1,973,258.20 is: 2,957,872.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919,791.80 : 4,376,706.90 = 1,973,258.20 : x
  2. Step 2: Convert to fraction form
    2,919,791.80/4,376,706.90 = 1,973,258.20/x
  3. Step 3: Cross multiply
    2,919,791.80x = 4,376,706.90 × 1,973,258.20
  4. Step 4: Simplify right side
    2,919,791.80x = 8,636,372,779,421.58
  5. Step 5: Solve for x
    x = 8,636,372,779,421.58/2,919,791.80
  6. Step 6: Final answer
    x = 2,957,872.81

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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.