Home / 2,748,355.20-4,121,366.40-1,328,846.40

Finding the Fourth Proportional to 2,748,355.20, 4,121,366.40 and 1,328,846.40

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Solution

The fourth proportional to 2,748,355.20, 4,121,366.40 and 1,328,846.40 is: 1,992,705.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,748,355.20 : 4,121,366.40 = 1,328,846.40 : x
  2. Step 2: Convert to fraction form
    2,748,355.20/4,121,366.40 = 1,328,846.40/x
  3. Step 3: Cross multiply
    2,748,355.20x = 4,121,366.40 × 1,328,846.40
  4. Step 4: Simplify right side
    2,748,355.20x = 5,476,662,903,720.96
  5. Step 5: Solve for x
    x = 5,476,662,903,720.96/2,748,355.20
  6. Step 6: Final answer
    x = 1,992,705.64

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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.