Home / 1,971,176.28-2,720,222.76-1,111,734.60

Finding the Fourth Proportional to 1,971,176.28, 2,720,222.76 and 1,111,734.60

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Solution

The fourth proportional to 1,971,176.28, 2,720,222.76 and 1,111,734.60 is: 1,534,193.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,176.28 : 2,720,222.76 = 1,111,734.60 : x
  2. Step 2: Convert to fraction form
    1,971,176.28/2,720,222.76 = 1,111,734.60/x
  3. Step 3: Cross multiply
    1,971,176.28x = 2,720,222.76 × 1,111,734.60
  4. Step 4: Simplify right side
    1,971,176.28x = 3,024,165,761,999.50
  5. Step 5: Solve for x
    x = 3,024,165,761,999.50/1,971,176.28
  6. Step 6: Final answer
    x = 1,534,193.46

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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.