Home / 1,990,078.51-2,746,382.48-1,130,784.43

Finding the Fourth Proportional to 1,990,078.51, 2,746,382.48 and 1,130,784.43

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Solution

The fourth proportional to 1,990,078.51, 2,746,382.48 and 1,130,784.43 is: 1,560,524.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,078.51 : 2,746,382.48 = 1,130,784.43 : x
  2. Step 2: Convert to fraction form
    1,990,078.51/2,746,382.48 = 1,130,784.43/x
  3. Step 3: Cross multiply
    1,990,078.51x = 2,746,382.48 × 1,130,784.43
  4. Step 4: Simplify right side
    1,990,078.51x = 3,105,566,541,554.86
  5. Step 5: Solve for x
    x = 3,105,566,541,554.86/1,990,078.51
  6. Step 6: Final answer
    x = 1,560,524.64

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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.