Home / 5,113,083.20-7,056,201.36-2,821,391.52

Finding the Fourth Proportional to 5,113,083.20, 7,056,201.36 and 2,821,391.52

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Solution

The fourth proportional to 5,113,083.20, 7,056,201.36 and 2,821,391.52 is: 3,893,601.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113,083.20 : 7,056,201.36 = 2,821,391.52 : x
  2. Step 2: Convert to fraction form
    5,113,083.20/7,056,201.36 = 2,821,391.52/x
  3. Step 3: Cross multiply
    5,113,083.20x = 7,056,201.36 × 2,821,391.52
  4. Step 4: Simplify right side
    5,113,083.20x = 19,908,306,680,516.47
  5. Step 5: Solve for x
    x = 19,908,306,680,516.47/5,113,083.20
  6. Step 6: Final answer
    x = 3,893,601.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.