Home / 6,909,692.56-10,364,164.86-2,117,395.60

Finding the Fourth Proportional to 6,909,692.56, 10,364,164.86 and 2,117,395.60

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Solution

The fourth proportional to 6,909,692.56, 10,364,164.86 and 2,117,395.60 is: 3,175,978.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,909,692.56 : 10,364,164.86 = 2,117,395.60 : x
  2. Step 2: Convert to fraction form
    6,909,692.56/10,364,164.86 = 2,117,395.60/x
  3. Step 3: Cross multiply
    6,909,692.56x = 10,364,164.86 × 2,117,395.60
  4. Step 4: Simplify right side
    6,909,692.56x = 21,945,037,072,238.62
  5. Step 5: Solve for x
    x = 21,945,037,072,238.62/6,909,692.56
  6. Step 6: Final answer
    x = 3,175,978.80

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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.