Home / 1,683,433.40-2,531,370.90-1,409,718.20

Finding the Fourth Proportional to 1,683,433.40, 2,531,370.90 and 1,409,718.20

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Solution

The fourth proportional to 1,683,433.40, 2,531,370.90 and 1,409,718.20 is: 2,119,786.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683,433.40 : 2,531,370.90 = 1,409,718.20 : x
  2. Step 2: Convert to fraction form
    1,683,433.40/2,531,370.90 = 1,409,718.20/x
  3. Step 3: Cross multiply
    1,683,433.40x = 2,531,370.90 × 1,409,718.20
  4. Step 4: Simplify right side
    1,683,433.40x = 3,568,519,628,680.38
  5. Step 5: Solve for x
    x = 3,568,519,628,680.38/1,683,433.40
  6. Step 6: Final answer
    x = 2,119,786.64

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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.