Finding the Fourth Proportional to 6,402,449.22, 8,835,662.97 and 3,687,070.02
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Solution
The fourth proportional to 6,402,449.22, 8,835,662.97 and 3,687,070.02 is: 5,088,319.63
Step by Step Solution
- Step 1: Write the proportion equation
6,402,449.22 : 8,835,662.97 = 3,687,070.02 : x - Step 2: Convert to fraction form
6,402,449.22/8,835,662.97 = 3,687,070.02/x - Step 3: Cross multiply
6,402,449.22x = 8,835,662.97 × 3,687,070.02 - Step 4: Simplify right side
6,402,449.22x = 32,577,708,043,511.16 - Step 5: Solve for x
x = 32,577,708,043,511.16/6,402,449.22 - Step 6: Final answer
x = 5,088,319.63
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.