Home / 2,153,371.10-2,971,861.52-1,608,561.03

Finding the Fourth Proportional to 2,153,371.10, 2,971,861.52 and 1,608,561.03

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Solution

The fourth proportional to 2,153,371.10, 2,971,861.52 and 1,608,561.03 is: 2,219,970.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,371.10 : 2,971,861.52 = 1,608,561.03 : x
  2. Step 2: Convert to fraction form
    2,153,371.10/2,971,861.52 = 1,608,561.03/x
  3. Step 3: Cross multiply
    2,153,371.10x = 2,971,861.52 × 1,608,561.03
  4. Step 4: Simplify right side
    2,153,371.10x = 4,780,420,627,628.57
  5. Step 5: Solve for x
    x = 4,780,420,627,628.57/2,153,371.10
  6. Step 6: Final answer
    x = 2,219,970.64

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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.