Home / 3,054,812.32-4,215,172.80-1,765,403.88

Finding the Fourth Proportional to 3,054,812.32, 4,215,172.80 and 1,765,403.88

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Solution

The fourth proportional to 3,054,812.32, 4,215,172.80 and 1,765,403.88 is: 2,435,986.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,054,812.32 : 4,215,172.80 = 1,765,403.88 : x
  2. Step 2: Convert to fraction form
    3,054,812.32/4,215,172.80 = 1,765,403.88/x
  3. Step 3: Cross multiply
    3,054,812.32x = 4,215,172.80 × 1,765,403.88
  4. Step 4: Simplify right side
    3,054,812.32x = 7,441,482,415,990.46
  5. Step 5: Solve for x
    x = 7,441,482,415,990.46/3,054,812.32
  6. Step 6: Final answer
    x = 2,435,986.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.