Home / 3,018,790.10-4,165,808.19-1,642,135.41

Finding the Fourth Proportional to 3,018,790.10, 4,165,808.19 and 1,642,135.41

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Solution

The fourth proportional to 3,018,790.10, 4,165,808.19 and 1,642,135.41 is: 2,266,080.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018,790.10 : 4,165,808.19 = 1,642,135.41 : x
  2. Step 2: Convert to fraction form
    3,018,790.10/4,165,808.19 = 1,642,135.41/x
  3. Step 3: Cross multiply
    3,018,790.10x = 4,165,808.19 × 1,642,135.41
  4. Step 4: Simplify right side
    3,018,790.10x = 6,840,821,140,067.01
  5. Step 5: Solve for x
    x = 6,840,821,140,067.01/3,018,790.10
  6. Step 6: Final answer
    x = 2,266,080.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.