Home / 5,128,056.60-7,688,668-2,823,634.86

Finding the Fourth Proportional to 5,128,056.60, 7,688,668 and 2,823,634.86

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Solution

The fourth proportional to 5,128,056.60, 7,688,668 and 2,823,634.86 is: 4,233,570.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,128,056.60 : 7,688,668 = 2,823,634.86 : x
  2. Step 2: Convert to fraction form
    5,128,056.60/7,688,668 = 2,823,634.86/x
  3. Step 3: Cross multiply
    5,128,056.60x = 7,688,668 × 2,823,634.86
  4. Step 4: Simplify right side
    5,128,056.60x = 21,709,990,991,766.48
  5. Step 5: Solve for x
    x = 21,709,990,991,766.48/5,128,056.60
  6. Step 6: Final answer
    x = 4,233,570.86

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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.