Home / 6,938,657.60-10,409,800.80-2,678,964.80

Finding the Fourth Proportional to 6,938,657.60, 10,409,800.80 and 2,678,964.80

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Solution

The fourth proportional to 6,938,657.60, 10,409,800.80 and 2,678,964.80 is: 4,019,147.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,938,657.60 : 10,409,800.80 = 2,678,964.80 : x
  2. Step 2: Convert to fraction form
    6,938,657.60/10,409,800.80 = 2,678,964.80/x
  3. Step 3: Cross multiply
    6,938,657.60x = 10,409,800.80 × 2,678,964.80
  4. Step 4: Simplify right side
    6,938,657.60x = 27,887,489,918,211.84
  5. Step 5: Solve for x
    x = 27,887,489,918,211.84/6,938,657.60
  6. Step 6: Final answer
    x = 4,019,147.73

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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.