Finding the Fourth Proportional to 4,420,991, 6,631,486.14 and 1,226,117.14
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Solution
The fourth proportional to 4,420,991, 6,631,486.14 and 1,226,117.14 is: 1,839,175.61
Step by Step Solution
- Step 1: Write the proportion equation
4,420,991 : 6,631,486.14 = 1,226,117.14 : x - Step 2: Convert to fraction form
4,420,991/6,631,486.14 = 1,226,117.14/x - Step 3: Cross multiply
4,420,991x = 6,631,486.14 × 1,226,117.14 - Step 4: Simplify right side
4,420,991x = 8,130,978,819,926.44 - Step 5: Solve for x
x = 8,130,978,819,926.44/4,420,991 - Step 6: Final answer
x = 1,839,175.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.