Home / 1,990,744.80-2,986,117.20-1,825,407.60

Finding the Fourth Proportional to 1,990,744.80, 2,986,117.20 and 1,825,407.60

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Solution

The fourth proportional to 1,990,744.80, 2,986,117.20 and 1,825,407.60 is: 2,738,111.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,744.80 : 2,986,117.20 = 1,825,407.60 : x
  2. Step 2: Convert to fraction form
    1,990,744.80/2,986,117.20 = 1,825,407.60/x
  3. Step 3: Cross multiply
    1,990,744.80x = 2,986,117.20 × 1,825,407.60
  4. Step 4: Simplify right side
    1,990,744.80x = 5,450,881,031,370.72
  5. Step 5: Solve for x
    x = 5,450,881,031,370.72/1,990,744.80
  6. Step 6: Final answer
    x = 2,738,111.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.