Finding the Fourth Proportional to 3,860,916.99, 5,791,382.52 and 1,584,855.06
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Solution
The fourth proportional to 3,860,916.99, 5,791,382.52 and 1,584,855.06 is: 2,377,285.47
Step by Step Solution
- Step 1: Write the proportion equation
3,860,916.99 : 5,791,382.52 = 1,584,855.06 : x - Step 2: Convert to fraction form
3,860,916.99/5,791,382.52 = 1,584,855.06/x - Step 3: Cross multiply
3,860,916.99x = 5,791,382.52 × 1,584,855.06 - Step 4: Simplify right side
3,860,916.99x = 9,178,501,863,556.66 - Step 5: Solve for x
x = 9,178,501,863,556.66/3,860,916.99 - Step 6: Final answer
x = 2,377,285.47
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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.