Home / 1,400,514.10-2,100,771.15-1,276,511.20

Finding the Fourth Proportional to 1,400,514.10, 2,100,771.15 and 1,276,511.20

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Solution

The fourth proportional to 1,400,514.10, 2,100,771.15 and 1,276,511.20 is: 1,914,766.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,514.10 : 2,100,771.15 = 1,276,511.20 : x
  2. Step 2: Convert to fraction form
    1,400,514.10/2,100,771.15 = 1,276,511.20/x
  3. Step 3: Cross multiply
    1,400,514.10x = 2,100,771.15 × 1,276,511.20
  4. Step 4: Simplify right side
    1,400,514.10x = 2,681,657,901,611.88
  5. Step 5: Solve for x
    x = 2,681,657,901,611.88/1,400,514.10
  6. Step 6: Final answer
    x = 1,914,766.80

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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.