Finding the Fourth Proportional to 5,052,175.09, 7,578,153.79 and 1,408,807.91
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Solution
The fourth proportional to 5,052,175.09, 7,578,153.79 and 1,408,807.91 is: 2,113,181.52
Step by Step Solution
- Step 1: Write the proportion equation
5,052,175.09 : 7,578,153.79 = 1,408,807.91 : x - Step 2: Convert to fraction form
5,052,175.09/7,578,153.79 = 1,408,807.91/x - Step 3: Cross multiply
5,052,175.09x = 7,578,153.79 × 1,408,807.91 - Step 4: Simplify right side
5,052,175.09x = 10,676,163,017,971.84 - Step 5: Solve for x
x = 10,676,163,017,971.84/5,052,175.09 - Step 6: Final answer
x = 2,113,181.52
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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.