Finding the Fourth Proportional to 5,735,482.56, 7,910,544.96 and 3,561,312.96
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Solution
The fourth proportional to 5,735,482.56, 7,910,544.96 and 3,561,312.96 is: 4,911,866.79
Step by Step Solution
- Step 1: Write the proportion equation
5,735,482.56 : 7,910,544.96 = 3,561,312.96 : x - Step 2: Convert to fraction form
5,735,482.56/7,910,544.96 = 3,561,312.96/x - Step 3: Cross multiply
5,735,482.56x = 7,910,544.96 × 3,561,312.96 - Step 4: Simplify right side
5,735,482.56x = 28,171,926,286,710.68 - Step 5: Solve for x
x = 28,171,926,286,710.68/5,735,482.56 - Step 6: Final answer
x = 4,911,866.79
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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.