Finding the Fourth Proportional to 6,461,888.84, 8,918,926.16 and 4,016,346.82
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Solution
The fourth proportional to 6,461,888.84, 8,918,926.16 and 4,016,346.82 is: 5,543,503.09
Step by Step Solution
- Step 1: Write the proportion equation
6,461,888.84 : 8,918,926.16 = 4,016,346.82 : x - Step 2: Convert to fraction form
6,461,888.84/8,918,926.16 = 4,016,346.82/x - Step 3: Cross multiply
6,461,888.84x = 8,918,926.16 × 4,016,346.82 - Step 4: Simplify right side
6,461,888.84x = 35,821,500,720,530.81 - Step 5: Solve for x
x = 35,821,500,720,530.81/6,461,888.84 - Step 6: Final answer
x = 5,543,503.09
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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.