Home / 2,109,861.28-2,911,596.60-1,143,010.36

Finding the Fourth Proportional to 2,109,861.28, 2,911,596.60 and 1,143,010.36

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Solution

The fourth proportional to 2,109,861.28, 2,911,596.60 and 1,143,010.36 is: 1,577,347.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109,861.28 : 2,911,596.60 = 1,143,010.36 : x
  2. Step 2: Convert to fraction form
    2,109,861.28/2,911,596.60 = 1,143,010.36/x
  3. Step 3: Cross multiply
    2,109,861.28x = 2,911,596.60 × 1,143,010.36
  4. Step 4: Simplify right side
    2,109,861.28x = 3,327,985,077,940.78
  5. Step 5: Solve for x
    x = 3,327,985,077,940.78/2,109,861.28
  6. Step 6: Final answer
    x = 1,577,347.81

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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.