Home / 2,130,955.20-3,203,431.20-1,823,025.60

Finding the Fourth Proportional to 2,130,955.20, 3,203,431.20 and 1,823,025.60

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Solution

The fourth proportional to 2,130,955.20, 3,203,431.20 and 1,823,025.60 is: 2,740,525.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130,955.20 : 3,203,431.20 = 1,823,025.60 : x
  2. Step 2: Convert to fraction form
    2,130,955.20/3,203,431.20 = 1,823,025.60/x
  3. Step 3: Cross multiply
    2,130,955.20x = 3,203,431.20 × 1,823,025.60
  4. Step 4: Simplify right side
    2,130,955.20x = 5,839,937,085,438.72
  5. Step 5: Solve for x
    x = 5,839,937,085,438.72/2,130,955.20
  6. Step 6: Final answer
    x = 2,740,525.51

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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.