Home / 2,850,938.48-3,934,393-1,561,778.52

Finding the Fourth Proportional to 2,850,938.48, 3,934,393 and 1,561,778.52

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Solution

The fourth proportional to 2,850,938.48, 3,934,393 and 1,561,778.52 is: 2,155,307.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850,938.48 : 3,934,393 = 1,561,778.52 : x
  2. Step 2: Convert to fraction form
    2,850,938.48/3,934,393 = 1,561,778.52/x
  3. Step 3: Cross multiply
    2,850,938.48x = 3,934,393 × 1,561,778.52
  4. Step 4: Simplify right side
    2,850,938.48x = 6,144,650,476,638.36
  5. Step 5: Solve for x
    x = 6,144,650,476,638.36/2,850,938.48
  6. Step 6: Final answer
    x = 2,155,307.99

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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.