Home / 1,971,388.56-2,720,287.80-1,111,963.32

Finding the Fourth Proportional to 1,971,388.56, 2,720,287.80 and 1,111,963.32

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Solution

The fourth proportional to 1,971,388.56, 2,720,287.80 and 1,111,963.32 is: 1,534,380.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,388.56 : 2,720,287.80 = 1,111,963.32 : x
  2. Step 2: Convert to fraction form
    1,971,388.56/2,720,287.80 = 1,111,963.32/x
  3. Step 3: Cross multiply
    1,971,388.56x = 2,720,287.80 × 1,111,963.32
  4. Step 4: Simplify right side
    1,971,388.56x = 3,024,860,253,443.50
  5. Step 5: Solve for x
    x = 3,024,860,253,443.50/1,971,388.56
  6. Step 6: Final answer
    x = 1,534,380.55

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.