Finding the Fourth Proportional to 4,555,546.05, 6,286,681.98 and 2,490,566.07
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Solution
The fourth proportional to 4,555,546.05, 6,286,681.98 and 2,490,566.07 is: 3,436,996.72
Step by Step Solution
- Step 1: Write the proportion equation
4,555,546.05 : 6,286,681.98 = 2,490,566.07 : x - Step 2: Convert to fraction form
4,555,546.05/6,286,681.98 = 2,490,566.07/x - Step 3: Cross multiply
4,555,546.05x = 6,286,681.98 × 2,490,566.07 - Step 4: Simplify right side
4,555,546.05x = 15,657,396,832,268.42 - Step 5: Solve for x
x = 15,657,396,832,268.42/4,555,546.05 - Step 6: Final answer
x = 3,436,996.72
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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.