Finding the Fourth Proportional to 5,139,639.05, 7,709,475.87 and 1,301,459.63
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Solution
The fourth proportional to 5,139,639.05, 7,709,475.87 and 1,301,459.63 is: 1,952,193.82
Step by Step Solution
- Step 1: Write the proportion equation
5,139,639.05 : 7,709,475.87 = 1,301,459.63 : x - Step 2: Convert to fraction form
5,139,639.05/7,709,475.87 = 1,301,459.63/x - Step 3: Cross multiply
5,139,639.05x = 7,709,475.87 × 1,301,459.63 - Step 4: Simplify right side
5,139,639.05x = 10,033,571,574,716.75 - Step 5: Solve for x
x = 10,033,571,574,716.75/5,139,639.05 - Step 6: Final answer
x = 1,952,193.82
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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.