Finding the Fourth Proportional to 5,119,597.31, 7,681,636.42 and 2,425,845.11
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Solution
The fourth proportional to 5,119,597.31, 7,681,636.42 and 2,425,845.11 is: 3,639,829.27
Step by Step Solution
- Step 1: Write the proportion equation
5,119,597.31 : 7,681,636.42 = 2,425,845.11 : x - Step 2: Convert to fraction form
5,119,597.31/7,681,636.42 = 2,425,845.11/x - Step 3: Cross multiply
5,119,597.31x = 7,681,636.42 × 2,425,845.11 - Step 4: Simplify right side
5,119,597.31x = 18,634,460,101,782.11 - Step 5: Solve for x
x = 18,634,460,101,782.11/5,119,597.31 - Step 6: Final answer
x = 3,639,829.27
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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.