Home / 2,586,421.35-3,879,632.07-789,314.04

Finding the Fourth Proportional to 2,586,421.35, 3,879,632.07 and 789,314.04

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Solution

The fourth proportional to 2,586,421.35, 3,879,632.07 and 789,314.04 is: 1,183,971.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,586,421.35 : 3,879,632.07 = 789,314.04 : x
  2. Step 2: Convert to fraction form
    2,586,421.35/3,879,632.07 = 789,314.04/x
  3. Step 3: Cross multiply
    2,586,421.35x = 3,879,632.07 × 789,314.04
  4. Step 4: Simplify right side
    2,586,421.35x = 3,062,248,062,885.26
  5. Step 5: Solve for x
    x = 3,062,248,062,885.26/2,586,421.35
  6. Step 6: Final answer
    x = 1,183,971.07

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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.