Finding the Fourth Proportional to 3,158,468.36, 4,738,034.73 and 1,028,718.62
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Solution
The fourth proportional to 3,158,468.36, 4,738,034.73 and 1,028,718.62 is: 1,543,186.12
Step by Step Solution
- Step 1: Write the proportion equation
3,158,468.36 : 4,738,034.73 = 1,028,718.62 : x - Step 2: Convert to fraction form
3,158,468.36/4,738,034.73 = 1,028,718.62/x - Step 3: Cross multiply
3,158,468.36x = 4,738,034.73 × 1,028,718.62 - Step 4: Simplify right side
3,158,468.36x = 4,874,104,548,957.67 - Step 5: Solve for x
x = 4,874,104,548,957.67/3,158,468.36 - Step 6: Final answer
x = 1,543,186.12
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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.