Home / 1,790,989.11-2,470,766.49-1,210,025.52

Finding the Fourth Proportional to 1,790,989.11, 2,470,766.49 and 1,210,025.52

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Solution

The fourth proportional to 1,790,989.11, 2,470,766.49 and 1,210,025.52 is: 1,669,295.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790,989.11 : 2,470,766.49 = 1,210,025.52 : x
  2. Step 2: Convert to fraction form
    1,790,989.11/2,470,766.49 = 1,210,025.52/x
  3. Step 3: Cross multiply
    1,790,989.11x = 2,470,766.49 × 1,210,025.52
  4. Step 4: Simplify right side
    1,790,989.11x = 2,989,690,506,860.83
  5. Step 5: Solve for x
    x = 2,989,690,506,860.83/1,790,989.11
  6. Step 6: Final answer
    x = 1,669,295.75

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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.