Finding the Fourth Proportional to 6,909,338.86, 10,365,336.68 and 2,649,174.86
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Solution
The fourth proportional to 6,909,338.86, 10,365,336.68 and 2,649,174.86 is: 3,974,271.63
Step by Step Solution
- Step 1: Write the proportion equation
6,909,338.86 : 10,365,336.68 = 2,649,174.86 : x - Step 2: Convert to fraction form
6,909,338.86/10,365,336.68 = 2,649,174.86/x - Step 3: Cross multiply
6,909,338.86x = 10,365,336.68 × 2,649,174.86 - Step 4: Simplify right side
6,909,338.86x = 27,459,589,380,628.14 - Step 5: Solve for x
x = 27,459,589,380,628.14/6,909,338.86 - Step 6: Final answer
x = 3,974,271.63
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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.