Finding the Fourth Proportional to 2,117,130.32, 3,175,689 and 854,942.96
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Solution
The fourth proportional to 2,117,130.32, 3,175,689 and 854,942.96 is: 1,282,411.82
Step by Step Solution
- Step 1: Write the proportion equation
2,117,130.32 : 3,175,689 = 854,942.96 : x - Step 2: Convert to fraction form
2,117,130.32/3,175,689 = 854,942.96/x - Step 3: Cross multiply
2,117,130.32x = 3,175,689 × 854,942.96 - Step 4: Simplify right side
2,117,130.32x = 2,715,032,953,699.44 - Step 5: Solve for x
x = 2,715,032,953,699.44/2,117,130.32 - Step 6: Final answer
x = 1,282,411.82
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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.