Finding the Fourth Proportional to 6,461,894.36, 8,918,933.84 and 4,016,352.38
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Solution
The fourth proportional to 6,461,894.36, 8,918,933.84 and 4,016,352.38 is: 5,543,510.79
Step by Step Solution
- Step 1: Write the proportion equation
6,461,894.36 : 8,918,933.84 = 4,016,352.38 : x - Step 2: Convert to fraction form
6,461,894.36/8,918,933.84 = 4,016,352.38/x - Step 3: Cross multiply
6,461,894.36x = 8,918,933.84 × 4,016,352.38 - Step 4: Simplify right side
6,461,894.36x = 35,821,581,090,670.11 - Step 5: Solve for x
x = 35,821,581,090,670.11/6,461,894.36 - Step 6: Final answer
x = 5,543,510.79
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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.