Home / 2,768,408.40-4,149,113.40-1,345,400.40

Finding the Fourth Proportional to 2,768,408.40, 4,149,113.40 and 1,345,400.40

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Solution

The fourth proportional to 2,768,408.40, 4,149,113.40 and 1,345,400.40 is: 2,016,400.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768,408.40 : 4,149,113.40 = 1,345,400.40 : x
  2. Step 2: Convert to fraction form
    2,768,408.40/4,149,113.40 = 1,345,400.40/x
  3. Step 3: Cross multiply
    2,768,408.40x = 4,149,113.40 × 1,345,400.40
  4. Step 4: Simplify right side
    2,768,408.40x = 5,582,218,828,005.36
  5. Step 5: Solve for x
    x = 5,582,218,828,005.36/2,768,408.40
  6. Step 6: Final answer
    x = 2,016,400.05

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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.