Home / 1,805,971.02-2,492,268.03-990,249.18

Finding the Fourth Proportional to 1,805,971.02, 2,492,268.03 and 990,249.18

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Solution

The fourth proportional to 1,805,971.02, 2,492,268.03 and 990,249.18 is: 1,366,559.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805,971.02 : 2,492,268.03 = 990,249.18 : x
  2. Step 2: Convert to fraction form
    1,805,971.02/2,492,268.03 = 990,249.18/x
  3. Step 3: Cross multiply
    1,805,971.02x = 2,492,268.03 × 990,249.18
  4. Step 4: Simplify right side
    1,805,971.02x = 2,467,966,373,047.72
  5. Step 5: Solve for x
    x = 2,467,966,373,047.72/1,805,971.02
  6. Step 6: Final answer
    x = 1,366,559.23

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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.