Finding the Fourth Proportional to 2,586,869.16, 3,860,072.37 and 2,317,889.64
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Solution
The fourth proportional to 2,586,869.16, 3,860,072.37 and 2,317,889.64 is: 3,458,706.72
Step by Step Solution
- Step 1: Write the proportion equation
2,586,869.16 : 3,860,072.37 = 2,317,889.64 : x - Step 2: Convert to fraction form
2,586,869.16/3,860,072.37 = 2,317,889.64/x - Step 3: Cross multiply
2,586,869.16x = 3,860,072.37 × 2,317,889.64 - Step 4: Simplify right side
2,586,869.16x = 8,947,221,756,073.25 - Step 5: Solve for x
x = 8,947,221,756,073.25/2,586,869.16 - Step 6: Final answer
x = 3,458,706.72
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.