Home / 1,947,615.32-2,921,335.32-1,308,188.46

Finding the Fourth Proportional to 1,947,615.32, 2,921,335.32 and 1,308,188.46

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Solution

The fourth proportional to 1,947,615.32, 2,921,335.32 and 1,308,188.46 is: 1,962,223.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947,615.32 : 2,921,335.32 = 1,308,188.46 : x
  2. Step 2: Convert to fraction form
    1,947,615.32/2,921,335.32 = 1,308,188.46/x
  3. Step 3: Cross multiply
    1,947,615.32x = 2,921,335.32 × 1,308,188.46
  4. Step 4: Simplify right side
    1,947,615.32x = 3,821,657,153,414.41
  5. Step 5: Solve for x
    x = 3,821,657,153,414.41/1,947,615.32
  6. Step 6: Final answer
    x = 1,962,223.81

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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.