Home / 2,018,051.20-3,025,570.20-1,219,164.40

Finding the Fourth Proportional to 2,018,051.20, 3,025,570.20 and 1,219,164.40

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Solution

The fourth proportional to 2,018,051.20, 3,025,570.20 and 1,219,164.40 is: 1,827,836.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018,051.20 : 3,025,570.20 = 1,219,164.40 : x
  2. Step 2: Convert to fraction form
    2,018,051.20/3,025,570.20 = 1,219,164.40/x
  3. Step 3: Cross multiply
    2,018,051.20x = 3,025,570.20 × 1,219,164.40
  4. Step 4: Simplify right side
    2,018,051.20x = 3,688,667,477,540.88
  5. Step 5: Solve for x
    x = 3,688,667,477,540.88/2,018,051.20
  6. Step 6: Final answer
    x = 1,827,836.42

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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.