Home / 1,806,410.16-2,492,880.26-990,565.19

Finding the Fourth Proportional to 1,806,410.16, 2,492,880.26 and 990,565.19

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Solution

The fourth proportional to 1,806,410.16, 2,492,880.26 and 990,565.19 is: 1,366,998.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,806,410.16 : 2,492,880.26 = 990,565.19 : x
  2. Step 2: Convert to fraction form
    1,806,410.16/2,492,880.26 = 990,565.19/x
  3. Step 3: Cross multiply
    1,806,410.16x = 2,492,880.26 × 990,565.19
  4. Step 4: Simplify right side
    1,806,410.16x = 2,469,360,390,976.92
  5. Step 5: Solve for x
    x = 2,469,360,390,976.92/1,806,410.16
  6. Step 6: Final answer
    x = 1,366,998.73

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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.