Finding the Fourth Proportional to 3,643,686.74, 5,461,872.36 and 1,245,891.53
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Solution
The fourth proportional to 3,643,686.74, 5,461,872.36 and 1,245,891.53 is: 1,867,586.59
Step by Step Solution
- Step 1: Write the proportion equation
3,643,686.74 : 5,461,872.36 = 1,245,891.53 : x - Step 2: Convert to fraction form
3,643,686.74/5,461,872.36 = 1,245,891.53/x - Step 3: Cross multiply
3,643,686.74x = 5,461,872.36 × 1,245,891.53 - Step 4: Simplify right side
3,643,686.74x = 6,804,900,511,265.11 - Step 5: Solve for x
x = 6,804,900,511,265.11/3,643,686.74 - Step 6: Final answer
x = 1,867,586.59
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.