Home / 2,915,750.71-4,023,237.63-1,691,775.64

Finding the Fourth Proportional to 2,915,750.71, 4,023,237.63 and 1,691,775.64

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Solution

The fourth proportional to 2,915,750.71, 4,023,237.63 and 1,691,775.64 is: 2,334,361.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915,750.71 : 4,023,237.63 = 1,691,775.64 : x
  2. Step 2: Convert to fraction form
    2,915,750.71/4,023,237.63 = 1,691,775.64/x
  3. Step 3: Cross multiply
    2,915,750.71x = 4,023,237.63 × 1,691,775.64
  4. Step 4: Simplify right side
    2,915,750.71x = 6,806,415,416,365.33
  5. Step 5: Solve for x
    x = 6,806,415,416,365.33/2,915,750.71
  6. Step 6: Final answer
    x = 2,334,361.23

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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.