Home / 2,590,155.20-3,883,677.60-1,330,443.20

Finding the Fourth Proportional to 2,590,155.20, 3,883,677.60 and 1,330,443.20

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Solution

The fourth proportional to 2,590,155.20, 3,883,677.60 and 1,330,443.20 is: 1,994,865.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,590,155.20 : 3,883,677.60 = 1,330,443.20 : x
  2. Step 2: Convert to fraction form
    2,590,155.20/3,883,677.60 = 1,330,443.20/x
  3. Step 3: Cross multiply
    2,590,155.20x = 3,883,677.60 × 1,330,443.20
  4. Step 4: Simplify right side
    2,590,155.20x = 5,167,012,453,912.32
  5. Step 5: Solve for x
    x = 5,167,012,453,912.32/2,590,155.20
  6. Step 6: Final answer
    x = 1,994,865.97

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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.