Finding the Fourth Proportional to 5,238,570.24, 7,859,138.40 and 1,826,383.68
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Solution
The fourth proportional to 5,238,570.24, 7,859,138.40 and 1,826,383.68 is: 2,740,022.84
Step by Step Solution
- Step 1: Write the proportion equation
5,238,570.24 : 7,859,138.40 = 1,826,383.68 : x - Step 2: Convert to fraction form
5,238,570.24/7,859,138.40 = 1,826,383.68/x - Step 3: Cross multiply
5,238,570.24x = 7,859,138.40 × 1,826,383.68 - Step 4: Simplify right side
5,238,570.24x = 14,353,802,112,621.31 - Step 5: Solve for x
x = 14,353,802,112,621.31/5,238,570.24 - Step 6: Final answer
x = 2,740,022.84
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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.