Home / 5,329,478.61-7,994,143.62-1,285,932.49

Finding the Fourth Proportional to 5,329,478.61, 7,994,143.62 and 1,285,932.49

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Solution

The fourth proportional to 5,329,478.61, 7,994,143.62 and 1,285,932.49 is: 1,928,880.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,329,478.61 : 7,994,143.62 = 1,285,932.49 : x
  2. Step 2: Convert to fraction form
    5,329,478.61/7,994,143.62 = 1,285,932.49/x
  3. Step 3: Cross multiply
    5,329,478.61x = 7,994,143.62 × 1,285,932.49
  4. Step 4: Simplify right side
    5,329,478.61x = 10,279,928,990,698.86
  5. Step 5: Solve for x
    x = 10,279,928,990,698.86/5,329,478.61
  6. Step 6: Final answer
    x = 1,928,880.80

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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.