Home / 2,116,630.44-2,920,971.78-1,149,779.88

Finding the Fourth Proportional to 2,116,630.44, 2,920,971.78 and 1,149,779.88

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Solution

The fourth proportional to 2,116,630.44, 2,920,971.78 and 1,149,779.88 is: 1,586,708.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116,630.44 : 2,920,971.78 = 1,149,779.88 : x
  2. Step 2: Convert to fraction form
    2,116,630.44/2,920,971.78 = 1,149,779.88/x
  3. Step 3: Cross multiply
    2,116,630.44x = 2,920,971.78 × 1,149,779.88
  4. Step 4: Simplify right side
    2,116,630.44x = 3,358,474,582,691.79
  5. Step 5: Solve for x
    x = 3,358,474,582,691.79/2,116,630.44
  6. Step 6: Final answer
    x = 1,586,708.06

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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.