Home / 1,999,160.72-2,758,905.12-1,093,742.72

Finding the Fourth Proportional to 1,999,160.72, 2,758,905.12 and 1,093,742.72

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Solution

The fourth proportional to 1,999,160.72, 2,758,905.12 and 1,093,742.72 is: 1,509,399.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,999,160.72 : 2,758,905.12 = 1,093,742.72 : x
  2. Step 2: Convert to fraction form
    1,999,160.72/2,758,905.12 = 1,093,742.72/x
  3. Step 3: Cross multiply
    1,999,160.72x = 2,758,905.12 × 1,093,742.72
  4. Step 4: Simplify right side
    1,999,160.72x = 3,017,532,390,170.73
  5. Step 5: Solve for x
    x = 3,017,532,390,170.73/1,999,160.72
  6. Step 6: Final answer
    x = 1,509,399.60

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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.