Finding the Fourth Proportional to 5,373,654.50, 7,415,643.68 and 2,926,264.82
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Solution
The fourth proportional to 5,373,654.50, 7,415,643.68 and 2,926,264.82 is: 4,038,245.70
Step by Step Solution
- Step 1: Write the proportion equation
5,373,654.50 : 7,415,643.68 = 2,926,264.82 : x - Step 2: Convert to fraction form
5,373,654.50/7,415,643.68 = 2,926,264.82/x - Step 3: Cross multiply
5,373,654.50x = 7,415,643.68 × 2,926,264.82 - Step 4: Simplify right side
5,373,654.50x = 21,700,137,166,729.79 - Step 5: Solve for x
x = 21,700,137,166,729.79/5,373,654.50 - Step 6: Final answer
x = 4,038,245.70
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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.