Home / 2,107,070.28-2,907,764.80-1,140,200.55

Finding the Fourth Proportional to 2,107,070.28, 2,907,764.80 and 1,140,200.55

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Solution

The fourth proportional to 2,107,070.28, 2,907,764.80 and 1,140,200.55 is: 1,573,480.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107,070.28 : 2,907,764.80 = 1,140,200.55 : x
  2. Step 2: Convert to fraction form
    2,107,070.28/2,907,764.80 = 1,140,200.55/x
  3. Step 3: Cross multiply
    2,107,070.28x = 2,907,764.80 × 1,140,200.55
  4. Step 4: Simplify right side
    2,107,070.28x = 3,315,435,021,380.14
  5. Step 5: Solve for x
    x = 3,315,435,021,380.14/2,107,070.28
  6. Step 6: Final answer
    x = 1,573,480.99

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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.