Home / 3,208,135.80-4,810,765.16-1,911,900.33

Finding the Fourth Proportional to 3,208,135.80, 4,810,765.16 and 1,911,900.33

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Solution

The fourth proportional to 3,208,135.80, 4,810,765.16 and 1,911,900.33 is: 2,866,993.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208,135.80 : 4,810,765.16 = 1,911,900.33 : x
  2. Step 2: Convert to fraction form
    3,208,135.80/4,810,765.16 = 1,911,900.33/x
  3. Step 3: Cross multiply
    3,208,135.80x = 4,810,765.16 × 1,911,900.33
  4. Step 4: Simplify right side
    3,208,135.80x = 9,197,703,487,397.00
  5. Step 5: Solve for x
    x = 9,197,703,487,397.00/3,208,135.80
  6. Step 6: Final answer
    x = 2,866,993.19

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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.