Home / 1,929,181.84-2,662,079.12-1,113,648.26

Finding the Fourth Proportional to 1,929,181.84, 2,662,079.12 and 1,113,648.26

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Solution

The fourth proportional to 1,929,181.84, 2,662,079.12 and 1,113,648.26 is: 1,536,723.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929,181.84 : 2,662,079.12 = 1,113,648.26 : x
  2. Step 2: Convert to fraction form
    1,929,181.84/2,662,079.12 = 1,113,648.26/x
  3. Step 3: Cross multiply
    1,929,181.84x = 2,662,079.12 × 1,113,648.26
  4. Step 4: Simplify right side
    1,929,181.84x = 2,964,619,761,091.69
  5. Step 5: Solve for x
    x = 2,964,619,761,091.69/1,929,181.84
  6. Step 6: Final answer
    x = 1,536,723.86

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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.