Home / 2,318,721.62-3,478,104.69-879,017.81

Finding the Fourth Proportional to 2,318,721.62, 3,478,104.69 and 879,017.81

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Solution

The fourth proportional to 2,318,721.62, 3,478,104.69 and 879,017.81 is: 1,318,535.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318,721.62 : 3,478,104.69 = 879,017.81 : x
  2. Step 2: Convert to fraction form
    2,318,721.62/3,478,104.69 = 879,017.81/x
  3. Step 3: Cross multiply
    2,318,721.62x = 3,478,104.69 × 879,017.81
  4. Step 4: Simplify right side
    2,318,721.62x = 3,057,315,950,164.01
  5. Step 5: Solve for x
    x = 3,057,315,950,164.01/2,318,721.62
  6. Step 6: Final answer
    x = 1,318,535.14

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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.