Home / 3,130,629.60-4,701,646.80-2,738,719.20

Finding the Fourth Proportional to 3,130,629.60, 4,701,646.80 and 2,738,719.20

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Solution

The fourth proportional to 3,130,629.60, 4,701,646.80 and 2,738,719.20 is: 4,113,067.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130,629.60 : 4,701,646.80 = 2,738,719.20 : x
  2. Step 2: Convert to fraction form
    3,130,629.60/4,701,646.80 = 2,738,719.20/x
  3. Step 3: Cross multiply
    3,130,629.60x = 4,701,646.80 × 2,738,719.20
  4. Step 4: Simplify right side
    3,130,629.60x = 12,876,490,362,778.56
  5. Step 5: Solve for x
    x = 12,876,490,362,778.56/3,130,629.60
  6. Step 6: Final answer
    x = 4,113,067.34

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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.