Home / 2,168,017.92-2,991,622.86-1,200,908.52

Finding the Fourth Proportional to 2,168,017.92, 2,991,622.86 and 1,200,908.52

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Solution

The fourth proportional to 2,168,017.92, 2,991,622.86 and 1,200,908.52 is: 1,657,119.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,168,017.92 : 2,991,622.86 = 1,200,908.52 : x
  2. Step 2: Convert to fraction form
    2,168,017.92/2,991,622.86 = 1,200,908.52/x
  3. Step 3: Cross multiply
    2,168,017.92x = 2,991,622.86 × 1,200,908.52
  4. Step 4: Simplify right side
    2,168,017.92x = 3,592,665,381,200.77
  5. Step 5: Solve for x
    x = 3,592,665,381,200.77/2,168,017.92
  6. Step 6: Final answer
    x = 1,657,119.78

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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.