Home / 5,202,130.64-7,178,792.57-2,879,120.50

Finding the Fourth Proportional to 5,202,130.64, 7,178,792.57 and 2,879,120.50

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Solution

The fourth proportional to 5,202,130.64, 7,178,792.57 and 2,879,120.50 is: 3,973,104.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,202,130.64 : 7,178,792.57 = 2,879,120.50 : x
  2. Step 2: Convert to fraction form
    5,202,130.64/7,178,792.57 = 2,879,120.50/x
  3. Step 3: Cross multiply
    5,202,130.64x = 7,178,792.57 × 2,879,120.50
  4. Step 4: Simplify right side
    5,202,130.64x = 20,668,608,831,988.80
  5. Step 5: Solve for x
    x = 20,668,608,831,988.80/5,202,130.64
  6. Step 6: Final answer
    x = 3,973,104.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.