Home / 2,109,561.99-2,911,127.21-1,179,245.00

Finding the Fourth Proportional to 2,109,561.99, 2,911,127.21 and 1,179,245.00

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Solution

The fourth proportional to 2,109,561.99, 2,911,127.21 and 1,179,245.00 is: 1,627,319.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109,561.99 : 2,911,127.21 = 1,179,245.00 : x
  2. Step 2: Convert to fraction form
    2,109,561.99/2,911,127.21 = 1,179,245.00/x
  3. Step 3: Cross multiply
    2,109,561.99x = 2,911,127.21 × 1,179,245.00
  4. Step 4: Simplify right side
    2,109,561.99x = 3,432,932,189,252.70
  5. Step 5: Solve for x
    x = 3,432,932,189,252.70/2,109,561.99
  6. Step 6: Final answer
    x = 1,627,319.89

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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.