Home / 1,806,021.87-2,492,291.19-990,223.54

Finding the Fourth Proportional to 1,806,021.87, 2,492,291.19 and 990,223.54

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Solution

The fourth proportional to 1,806,021.87, 2,492,291.19 and 990,223.54 is: 1,366,498.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,806,021.87 : 2,492,291.19 = 990,223.54 : x
  2. Step 2: Convert to fraction form
    1,806,021.87/2,492,291.19 = 990,223.54/x
  3. Step 3: Cross multiply
    1,806,021.87x = 2,492,291.19 × 990,223.54
  4. Step 4: Simplify right side
    1,806,021.87x = 2,467,925,399,930.10
  5. Step 5: Solve for x
    x = 2,467,925,399,930.10/1,806,021.87
  6. Step 6: Final answer
    x = 1,366,498.07

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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.