Home / 3,929,205.78-5,894,789.57-1,370,457.50

Finding the Fourth Proportional to 3,929,205.78, 5,894,789.57 and 1,370,457.50

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Solution

The fourth proportional to 3,929,205.78, 5,894,789.57 and 1,370,457.50 is: 2,056,028.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929,205.78 : 5,894,789.57 = 1,370,457.50 : x
  2. Step 2: Convert to fraction form
    3,929,205.78/5,894,789.57 = 1,370,457.50/x
  3. Step 3: Cross multiply
    3,929,205.78x = 5,894,789.57 × 1,370,457.50
  4. Step 4: Simplify right side
    3,929,205.78x = 8,078,558,540,802.04
  5. Step 5: Solve for x
    x = 8,078,558,540,802.04/3,929,205.78
  6. Step 6: Final answer
    x = 2,056,028.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.