Finding the Fourth Proportional to 4,826,481.14, 7,239,715.35 and 1,232,248.70
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Solution
The fourth proportional to 4,826,481.14, 7,239,715.35 and 1,232,248.70 is: 1,848,371.43
Step by Step Solution
- Step 1: Write the proportion equation
4,826,481.14 : 7,239,715.35 = 1,232,248.70 : x - Step 2: Convert to fraction form
4,826,481.14/7,239,715.35 = 1,232,248.70/x - Step 3: Cross multiply
4,826,481.14x = 7,239,715.35 × 1,232,248.70 - Step 4: Simplify right side
4,826,481.14x = 8,921,129,828,407.55 - Step 5: Solve for x
x = 8,921,129,828,407.55/4,826,481.14 - Step 6: Final answer
x = 1,848,371.43
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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.