Home / 2,085,918.20-3,130,043.70-887,636.60

Finding the Fourth Proportional to 2,085,918.20, 3,130,043.70 and 887,636.60

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Solution

The fourth proportional to 2,085,918.20, 3,130,043.70 and 887,636.60 is: 1,331,951.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085,918.20 : 3,130,043.70 = 887,636.60 : x
  2. Step 2: Convert to fraction form
    2,085,918.20/3,130,043.70 = 887,636.60/x
  3. Step 3: Cross multiply
    2,085,918.20x = 3,130,043.70 × 887,636.60
  4. Step 4: Simplify right side
    2,085,918.20x = 2,778,341,347,719.42
  5. Step 5: Solve for x
    x = 2,778,341,347,719.42/2,085,918.20
  6. Step 6: Final answer
    x = 1,331,951.25

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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.