Home / 2,116,631.44-2,920,973.16-1,149,780.88

Finding the Fourth Proportional to 2,116,631.44, 2,920,973.16 and 1,149,780.88

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Solution

The fourth proportional to 2,116,631.44, 2,920,973.16 and 1,149,780.88 is: 1,586,709.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116,631.44 : 2,920,973.16 = 1,149,780.88 : x
  2. Step 2: Convert to fraction form
    2,116,631.44/2,920,973.16 = 1,149,780.88/x
  3. Step 3: Cross multiply
    2,116,631.44x = 2,920,973.16 × 1,149,780.88
  4. Step 4: Simplify right side
    2,116,631.44x = 3,358,479,090,361.18
  5. Step 5: Solve for x
    x = 3,358,479,090,361.18/2,116,631.44
  6. Step 6: Final answer
    x = 1,586,709.44

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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.