Home / 1,648,025.12-2,469,048.21-1,216,810.46

Finding the Fourth Proportional to 1,648,025.12, 2,469,048.21 and 1,216,810.46

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Solution

The fourth proportional to 1,648,025.12, 2,469,048.21 and 1,216,810.46 is: 1,823,008.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,648,025.12 : 2,469,048.21 = 1,216,810.46 : x
  2. Step 2: Convert to fraction form
    1,648,025.12/2,469,048.21 = 1,216,810.46/x
  3. Step 3: Cross multiply
    1,648,025.12x = 2,469,048.21 × 1,216,810.46
  4. Step 4: Simplify right side
    1,648,025.12x = 3,004,363,675,827.04
  5. Step 5: Solve for x
    x = 3,004,363,675,827.04/1,648,025.12
  6. Step 6: Final answer
    x = 1,823,008.43

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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.