Home / 2,798,209.25-3,861,528.77-1,590,985.25

Finding the Fourth Proportional to 2,798,209.25, 3,861,528.77 and 1,590,985.25

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Solution

The fourth proportional to 2,798,209.25, 3,861,528.77 and 1,590,985.25 is: 2,195,559.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,798,209.25 : 3,861,528.77 = 1,590,985.25 : x
  2. Step 2: Convert to fraction form
    2,798,209.25/3,861,528.77 = 1,590,985.25/x
  3. Step 3: Cross multiply
    2,798,209.25x = 3,861,528.77 × 1,590,985.25
  4. Step 4: Simplify right side
    2,798,209.25x = 6,143,635,315,520.64
  5. Step 5: Solve for x
    x = 6,143,635,315,520.64/2,798,209.25
  6. Step 6: Final answer
    x = 2,195,559.65

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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.