Home / 2,909,155.86-4,364,420.67-914,611.86

Finding the Fourth Proportional to 2,909,155.86, 4,364,420.67 and 914,611.86

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Solution

The fourth proportional to 2,909,155.86, 4,364,420.67 and 914,611.86 is: 1,372,133.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909,155.86 : 4,364,420.67 = 914,611.86 : x
  2. Step 2: Convert to fraction form
    2,909,155.86/4,364,420.67 = 914,611.86/x
  3. Step 3: Cross multiply
    2,909,155.86x = 4,364,420.67 × 914,611.86
  4. Step 4: Simplify right side
    2,909,155.86x = 3,991,750,906,811.15
  5. Step 5: Solve for x
    x = 3,991,750,906,811.15/2,909,155.86
  6. Step 6: Final answer
    x = 1,372,133.74

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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.