Finding the Fourth Proportional to 4,272,715.63, 6,405,850.01 and 1,392,362.47
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Solution
The fourth proportional to 4,272,715.63, 6,405,850.01 and 1,392,362.47 is: 2,087,493.28
Step by Step Solution
- Step 1: Write the proportion equation
4,272,715.63 : 6,405,850.01 = 1,392,362.47 : x - Step 2: Convert to fraction form
4,272,715.63/6,405,850.01 = 1,392,362.47/x - Step 3: Cross multiply
4,272,715.63x = 6,405,850.01 × 1,392,362.47 - Step 4: Simplify right side
4,272,715.63x = 8,919,265,153,079.55 - Step 5: Solve for x
x = 8,919,265,153,079.55/4,272,715.63 - Step 6: Final answer
x = 2,087,493.28
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.