Home / 2,080,274.40-2,871,093.60-1,221,220.80

Finding the Fourth Proportional to 2,080,274.40, 2,871,093.60 and 1,221,220.80

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Solution

The fourth proportional to 2,080,274.40, 2,871,093.60 and 1,221,220.80 is: 1,685,469.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,274.40 : 2,871,093.60 = 1,221,220.80 : x
  2. Step 2: Convert to fraction form
    2,080,274.40/2,871,093.60 = 1,221,220.80/x
  3. Step 3: Cross multiply
    2,080,274.40x = 2,871,093.60 × 1,221,220.80
  4. Step 4: Simplify right side
    2,080,274.40x = 3,506,239,223,066.88
  5. Step 5: Solve for x
    x = 3,506,239,223,066.88/2,080,274.40
  6. Step 6: Final answer
    x = 1,685,469.58

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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.