Home / 3,180,989.40-4,768,373.70-1,285,200.60

Finding the Fourth Proportional to 3,180,989.40, 4,768,373.70 and 1,285,200.60

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Solution

The fourth proportional to 3,180,989.40, 4,768,373.70 and 1,285,200.60 is: 1,926,544.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180,989.40 : 4,768,373.70 = 1,285,200.60 : x
  2. Step 2: Convert to fraction form
    3,180,989.40/4,768,373.70 = 1,285,200.60/x
  3. Step 3: Cross multiply
    3,180,989.40x = 4,768,373.70 × 1,285,200.60
  4. Step 4: Simplify right side
    3,180,989.40x = 6,128,316,740,264.22
  5. Step 5: Solve for x
    x = 6,128,316,740,264.22/3,180,989.40
  6. Step 6: Final answer
    x = 1,926,544.22

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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.