Home / 2,880,212.80-4,320,319.20-1,819,955.20

Finding the Fourth Proportional to 2,880,212.80, 4,320,319.20 and 1,819,955.20

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Solution

The fourth proportional to 2,880,212.80, 4,320,319.20 and 1,819,955.20 is: 2,729,932.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880,212.80 : 4,320,319.20 = 1,819,955.20 : x
  2. Step 2: Convert to fraction form
    2,880,212.80/4,320,319.20 = 1,819,955.20/x
  3. Step 3: Cross multiply
    2,880,212.80x = 4,320,319.20 × 1,819,955.20
  4. Step 4: Simplify right side
    2,880,212.80x = 7,862,787,393,699.84
  5. Step 5: Solve for x
    x = 7,862,787,393,699.84/2,880,212.80
  6. Step 6: Final answer
    x = 2,729,932.80

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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.