Home / 4,128,694.79-6,193,042.20-1,289,050.25

Finding the Fourth Proportional to 4,128,694.79, 6,193,042.20 and 1,289,050.25

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Solution

The fourth proportional to 4,128,694.79, 6,193,042.20 and 1,289,050.25 is: 1,933,575.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128,694.79 : 6,193,042.20 = 1,289,050.25 : x
  2. Step 2: Convert to fraction form
    4,128,694.79/6,193,042.20 = 1,289,050.25/x
  3. Step 3: Cross multiply
    4,128,694.79x = 6,193,042.20 × 1,289,050.25
  4. Step 4: Simplify right side
    4,128,694.79x = 7,983,142,565,205.34
  5. Step 5: Solve for x
    x = 7,983,142,565,205.34/4,128,694.79
  6. Step 6: Final answer
    x = 1,933,575.37

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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.