Home / 1,971,085.50-2,720,190.24-1,111,627.44

Finding the Fourth Proportional to 1,971,085.50, 2,720,190.24 and 1,111,627.44

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Solution

The fourth proportional to 1,971,085.50, 2,720,190.24 and 1,111,627.44 is: 1,534,097.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,085.50 : 2,720,190.24 = 1,111,627.44 : x
  2. Step 2: Convert to fraction form
    1,971,085.50/2,720,190.24 = 1,111,627.44/x
  3. Step 3: Cross multiply
    1,971,085.50x = 2,720,190.24 × 1,111,627.44
  4. Step 4: Simplify right side
    1,971,085.50x = 3,023,838,112,804.19
  5. Step 5: Solve for x
    x = 3,023,838,112,804.19/1,971,085.50
  6. Step 6: Final answer
    x = 1,534,097.89

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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.