Home / 1,901,245.40-2,851,868.10-1,775,274.20

Finding the Fourth Proportional to 1,901,245.40, 2,851,868.10 and 1,775,274.20

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Solution

The fourth proportional to 1,901,245.40, 2,851,868.10 and 1,775,274.20 is: 2,662,911.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,901,245.40 : 2,851,868.10 = 1,775,274.20 : x
  2. Step 2: Convert to fraction form
    1,901,245.40/2,851,868.10 = 1,775,274.20/x
  3. Step 3: Cross multiply
    1,901,245.40x = 2,851,868.10 × 1,775,274.20
  4. Step 4: Simplify right side
    1,901,245.40x = 5,062,847,859,733.02
  5. Step 5: Solve for x
    x = 5,062,847,859,733.02/1,901,245.40
  6. Step 6: Final answer
    x = 2,662,911.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.