Home / 5,148,657.60-7,722,986.40-3,956,596.80

Finding the Fourth Proportional to 5,148,657.60, 7,722,986.40 and 3,956,596.80

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Solution

The fourth proportional to 5,148,657.60, 7,722,986.40 and 3,956,596.80 is: 5,934,895.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148,657.60 : 7,722,986.40 = 3,956,596.80 : x
  2. Step 2: Convert to fraction form
    5,148,657.60/7,722,986.40 = 3,956,596.80/x
  3. Step 3: Cross multiply
    5,148,657.60x = 7,722,986.40 × 3,956,596.80
  4. Step 4: Simplify right side
    5,148,657.60x = 30,556,743,276,683.52
  5. Step 5: Solve for x
    x = 30,556,743,276,683.52/5,148,657.60
  6. Step 6: Final answer
    x = 5,934,895.20

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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.