Finding the Fourth Proportional to 5,440,878.67, 8,148,910.43 and 2,602,998.31
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Solution
The fourth proportional to 5,440,878.67, 8,148,910.43 and 2,602,998.31 is: 3,898,561.49
Step by Step Solution
- Step 1: Write the proportion equation
5,440,878.67 : 8,148,910.43 = 2,602,998.31 : x - Step 2: Convert to fraction form
5,440,878.67/8,148,910.43 = 2,602,998.31/x - Step 3: Cross multiply
5,440,878.67x = 8,148,910.43 × 2,602,998.31 - Step 4: Simplify right side
5,440,878.67x = 21,211,600,064,616.38 - Step 5: Solve for x
x = 21,211,600,064,616.38/5,440,878.67 - Step 6: Final answer
x = 3,898,561.49
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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.