Finding the Fourth Proportional to 5,355,113.96, 7,389,855.45 and 2,907,672.09
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Solution
The fourth proportional to 5,355,113.96, 7,389,855.45 and 2,907,672.09 is: 4,012,477.91
Step by Step Solution
- Step 1: Write the proportion equation
5,355,113.96 : 7,389,855.45 = 2,907,672.09 : x - Step 2: Convert to fraction form
5,355,113.96/7,389,855.45 = 2,907,672.09/x - Step 3: Cross multiply
5,355,113.96x = 7,389,855.45 × 2,907,672.09 - Step 4: Simplify right side
5,355,113.96x = 21,487,276,441,099.39 - Step 5: Solve for x
x = 21,487,276,441,099.39/5,355,113.96 - Step 6: Final answer
x = 4,012,477.91
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.