Finding the Fourth Proportional to 5,043,712.88, 7,565,007.58 and 1,805,119.85
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Solution
The fourth proportional to 5,043,712.88, 7,565,007.58 and 1,805,119.85 is: 2,707,478.73
Step by Step Solution
- Step 1: Write the proportion equation
5,043,712.88 : 7,565,007.58 = 1,805,119.85 : x - Step 2: Convert to fraction form
5,043,712.88/7,565,007.58 = 1,805,119.85/x - Step 3: Cross multiply
5,043,712.88x = 7,565,007.58 × 1,805,119.85 - Step 4: Simplify right side
5,043,712.88x = 13,655,745,362,458.18 - Step 5: Solve for x
x = 13,655,745,362,458.18/5,043,712.88 - Step 6: Final answer
x = 2,707,478.73
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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.