Home / 2,126,043.63-2,933,855.64-1,255,158.90

Finding the Fourth Proportional to 2,126,043.63, 2,933,855.64 and 1,255,158.90

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Solution

The fourth proportional to 2,126,043.63, 2,933,855.64 and 1,255,158.90 is: 1,732,069.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,043.63 : 2,933,855.64 = 1,255,158.90 : x
  2. Step 2: Convert to fraction form
    2,126,043.63/2,933,855.64 = 1,255,158.90/x
  3. Step 3: Cross multiply
    2,126,043.63x = 2,933,855.64 × 1,255,158.90
  4. Step 4: Simplify right side
    2,126,043.63x = 3,682,455,017,861.20
  5. Step 5: Solve for x
    x = 3,682,455,017,861.20/2,126,043.63
  6. Step 6: Final answer
    x = 1,732,069.35

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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.