Finding the Fourth Proportional to 3,653,218.62, 5,479,186.41 and 1,128,895.74
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Solution
The fourth proportional to 3,653,218.62, 5,479,186.41 and 1,128,895.74 is: 1,693,145.37
Step by Step Solution
- Step 1: Write the proportion equation
3,653,218.62 : 5,479,186.41 = 1,128,895.74 : x - Step 2: Convert to fraction form
3,653,218.62/5,479,186.41 = 1,128,895.74/x - Step 3: Cross multiply
3,653,218.62x = 5,479,186.41 × 1,128,895.74 - Step 4: Simplify right side
3,653,218.62x = 6,185,430,196,914.89 - Step 5: Solve for x
x = 6,185,430,196,914.89/3,653,218.62 - Step 6: Final answer
x = 1,693,145.37
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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.