Home / 2,719,763.60-4,081,200.60-1,878,918.80

Finding the Fourth Proportional to 2,719,763.60, 4,081,200.60 and 1,878,918.80

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Solution

The fourth proportional to 2,719,763.60, 4,081,200.60 and 1,878,918.80 is: 2,819,452.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,719,763.60 : 4,081,200.60 = 1,878,918.80 : x
  2. Step 2: Convert to fraction form
    2,719,763.60/4,081,200.60 = 1,878,918.80/x
  3. Step 3: Cross multiply
    2,719,763.60x = 4,081,200.60 × 1,878,918.80
  4. Step 4: Simplify right side
    2,719,763.60x = 7,668,244,533,911.28
  5. Step 5: Solve for x
    x = 7,668,244,533,911.28/2,719,763.60
  6. Step 6: Final answer
    x = 2,819,452.59

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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.