Home / 2,586,484.71-3,879,727.07-789,377.60

Finding the Fourth Proportional to 2,586,484.71, 3,879,727.07 and 789,377.60

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Solution

The fourth proportional to 2,586,484.71, 3,879,727.07 and 789,377.60 is: 1,184,066.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,586,484.71 : 3,879,727.07 = 789,377.60 : x
  2. Step 2: Convert to fraction form
    2,586,484.71/3,879,727.07 = 789,377.60/x
  3. Step 3: Cross multiply
    2,586,484.71x = 3,879,727.07 × 789,377.60
  4. Step 4: Simplify right side
    2,586,484.71x = 3,062,569,648,924.06
  5. Step 5: Solve for x
    x = 3,062,569,648,924.06/2,586,484.71
  6. Step 6: Final answer
    x = 1,184,066.40

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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.