Finding the Fourth Proportional to 5,197,646.08, 7,791,235.36 and 2,166,690.24
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Solution
The fourth proportional to 5,197,646.08, 7,791,235.36 and 2,166,690.24 is: 3,247,853.62
Step by Step Solution
- Step 1: Write the proportion equation
5,197,646.08 : 7,791,235.36 = 2,166,690.24 : x - Step 2: Convert to fraction form
5,197,646.08/7,791,235.36 = 2,166,690.24/x - Step 3: Cross multiply
5,197,646.08x = 7,791,235.36 × 2,166,690.24 - Step 4: Simplify right side
5,197,646.08x = 16,881,193,612,054.89 - Step 5: Solve for x
x = 16,881,193,612,054.89/5,197,646.08 - Step 6: Final answer
x = 3,247,853.62
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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.