Home / 1,912,827.60-2,863,020.60-1,489,813.20

Finding the Fourth Proportional to 1,912,827.60, 2,863,020.60 and 1,489,813.20

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Solution

The fourth proportional to 1,912,827.60, 2,863,020.60 and 1,489,813.20 is: 2,229,874.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,827.60 : 2,863,020.60 = 1,489,813.20 : x
  2. Step 2: Convert to fraction form
    1,912,827.60/2,863,020.60 = 1,489,813.20/x
  3. Step 3: Cross multiply
    1,912,827.60x = 2,863,020.60 × 1,489,813.20
  4. Step 4: Simplify right side
    1,912,827.60x = 4,265,365,881,751.92
  5. Step 5: Solve for x
    x = 4,265,365,881,751.92/1,912,827.60
  6. Step 6: Final answer
    x = 2,229,874.71

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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.