Home / 1,971,458.88-2,720,096.16-1,155,224.32

Finding the Fourth Proportional to 1,971,458.88, 2,720,096.16 and 1,155,224.32

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Solution

The fourth proportional to 1,971,458.88, 2,720,096.16 and 1,155,224.32 is: 1,593,906.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,458.88 : 2,720,096.16 = 1,155,224.32 : x
  2. Step 2: Convert to fraction form
    1,971,458.88/2,720,096.16 = 1,155,224.32/x
  3. Step 3: Cross multiply
    1,971,458.88x = 2,720,096.16 × 1,155,224.32
  4. Step 4: Simplify right side
    1,971,458.88x = 3,142,321,236,770.61
  5. Step 5: Solve for x
    x = 3,142,321,236,770.61/1,971,458.88
  6. Step 6: Final answer
    x = 1,593,906.56

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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.