Home / 5,390,980.60-8,084,138.10-2,195,044.60

Finding the Fourth Proportional to 5,390,980.60, 8,084,138.10 and 2,195,044.60

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Solution

The fourth proportional to 5,390,980.60, 8,084,138.10 and 2,195,044.60 is: 3,291,617.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,980.60 : 8,084,138.10 = 2,195,044.60 : x
  2. Step 2: Convert to fraction form
    5,390,980.60/8,084,138.10 = 2,195,044.60/x
  3. Step 3: Cross multiply
    5,390,980.60x = 8,084,138.10 × 2,195,044.60
  4. Step 4: Simplify right side
    5,390,980.60x = 17,745,043,682,059.26
  5. Step 5: Solve for x
    x = 17,745,043,682,059.26/5,390,980.60
  6. Step 6: Final answer
    x = 3,291,617.05

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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.