Home / 2,940,365.80-4,410,548.70-1,257,639.40

Finding the Fourth Proportional to 2,940,365.80, 4,410,548.70 and 1,257,639.40

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Solution

The fourth proportional to 2,940,365.80, 4,410,548.70 and 1,257,639.40 is: 1,886,459.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940,365.80 : 4,410,548.70 = 1,257,639.40 : x
  2. Step 2: Convert to fraction form
    2,940,365.80/4,410,548.70 = 1,257,639.40/x
  3. Step 3: Cross multiply
    2,940,365.80x = 4,410,548.70 × 1,257,639.40
  4. Step 4: Simplify right side
    2,940,365.80x = 5,546,879,820,738.78
  5. Step 5: Solve for x
    x = 5,546,879,820,738.78/2,940,365.80
  6. Step 6: Final answer
    x = 1,886,459.10

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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.