Home / 3,886,656.50-5,829,774.56-1,190,989.50

Finding the Fourth Proportional to 3,886,656.50, 5,829,774.56 and 1,190,989.50

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Solution

The fourth proportional to 3,886,656.50, 5,829,774.56 and 1,190,989.50 is: 1,786,419.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886,656.50 : 5,829,774.56 = 1,190,989.50 : x
  2. Step 2: Convert to fraction form
    3,886,656.50/5,829,774.56 = 1,190,989.50/x
  3. Step 3: Cross multiply
    3,886,656.50x = 5,829,774.56 × 1,190,989.50
  4. Step 4: Simplify right side
    3,886,656.50x = 6,943,200,278,116.42
  5. Step 5: Solve for x
    x = 6,943,200,278,116.42/3,886,656.50
  6. Step 6: Final answer
    x = 1,786,419.84

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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.