Finding the Fourth Proportional to 6,749,185.97, 10,125,297.86 and 2,138,449.60
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Solution
The fourth proportional to 6,749,185.97, 10,125,297.86 and 2,138,449.60 is: 3,208,155.66
Step by Step Solution
- Step 1: Write the proportion equation
6,749,185.97 : 10,125,297.86 = 2,138,449.60 : x - Step 2: Convert to fraction form
6,749,185.97/10,125,297.86 = 2,138,449.60/x - Step 3: Cross multiply
6,749,185.97x = 10,125,297.86 × 2,138,449.60 - Step 4: Simplify right side
6,749,185.97x = 21,652,439,158,597.86 - Step 5: Solve for x
x = 21,652,439,158,597.86/6,749,185.97 - Step 6: Final answer
x = 3,208,155.66
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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.