Home / 3,112,900.80-4,670,007.30-983,200.20

Finding the Fourth Proportional to 3,112,900.80, 4,670,007.30 and 983,200.20

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Solution

The fourth proportional to 3,112,900.80, 4,670,007.30 and 983,200.20 is: 1,475,007.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112,900.80 : 4,670,007.30 = 983,200.20 : x
  2. Step 2: Convert to fraction form
    3,112,900.80/4,670,007.30 = 983,200.20/x
  3. Step 3: Cross multiply
    3,112,900.80x = 4,670,007.30 × 983,200.20
  4. Step 4: Simplify right side
    3,112,900.80x = 4,591,552,111,361.46
  5. Step 5: Solve for x
    x = 4,591,552,111,361.46/3,112,900.80
  6. Step 6: Final answer
    x = 1,475,007.53

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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.