Home / 2,848,785.46-3,929,852.75-1,930,700.63

Finding the Fourth Proportional to 2,848,785.46, 3,929,852.75 and 1,930,700.63

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Solution

The fourth proportional to 2,848,785.46, 3,929,852.75 and 1,930,700.63 is: 2,663,369.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,848,785.46 : 3,929,852.75 = 1,930,700.63 : x
  2. Step 2: Convert to fraction form
    2,848,785.46/3,929,852.75 = 1,930,700.63/x
  3. Step 3: Cross multiply
    2,848,785.46x = 3,929,852.75 × 1,930,700.63
  4. Step 4: Simplify right side
    2,848,785.46x = 7,587,369,150,929.47
  5. Step 5: Solve for x
    x = 7,587,369,150,929.47/2,848,785.46
  6. Step 6: Final answer
    x = 2,663,369.80

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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.