Home / 2,166,523.32-2,990,139.72-1,236,232.92

Finding the Fourth Proportional to 2,166,523.32, 2,990,139.72 and 1,236,232.92

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Solution

The fourth proportional to 2,166,523.32, 2,990,139.72 and 1,236,232.92 is: 1,706,194.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,523.32 : 2,990,139.72 = 1,236,232.92 : x
  2. Step 2: Convert to fraction form
    2,166,523.32/2,990,139.72 = 1,236,232.92/x
  3. Step 3: Cross multiply
    2,166,523.32x = 2,990,139.72 × 1,236,232.92
  4. Step 4: Simplify right side
    2,166,523.32x = 3,696,509,157,263.58
  5. Step 5: Solve for x
    x = 3,696,509,157,263.58/2,166,523.32
  6. Step 6: Final answer
    x = 1,706,194.03

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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.