Home / 1,557,615.78-2,149,537.77-913,500.54

Finding the Fourth Proportional to 1,557,615.78, 2,149,537.77 and 913,500.54

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Solution

The fourth proportional to 1,557,615.78, 2,149,537.77 and 913,500.54 is: 1,260,647.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,615.78 : 2,149,537.77 = 913,500.54 : x
  2. Step 2: Convert to fraction form
    1,557,615.78/2,149,537.77 = 913,500.54/x
  3. Step 3: Cross multiply
    1,557,615.78x = 2,149,537.77 × 913,500.54
  4. Step 4: Simplify right side
    1,557,615.78x = 1,963,603,913,645.40
  5. Step 5: Solve for x
    x = 1,963,603,913,645.40/1,557,615.78
  6. Step 6: Final answer
    x = 1,260,647.16

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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.