Home / 2,768,111.20-4,153,203.60-1,086,421.60

Finding the Fourth Proportional to 2,768,111.20, 4,153,203.60 and 1,086,421.60

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Solution

The fourth proportional to 2,768,111.20, 4,153,203.60 and 1,086,421.60 is: 1,630,039.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768,111.20 : 4,153,203.60 = 1,086,421.60 : x
  2. Step 2: Convert to fraction form
    2,768,111.20/4,153,203.60 = 1,086,421.60/x
  3. Step 3: Cross multiply
    2,768,111.20x = 4,153,203.60 × 1,086,421.60
  4. Step 4: Simplify right side
    2,768,111.20x = 4,512,130,100,237.76
  5. Step 5: Solve for x
    x = 4,512,130,100,237.76/2,768,111.20
  6. Step 6: Final answer
    x = 1,630,039.32

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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.