Finding the Fourth Proportional to 4,412,441.08, 6,619,043.14 and 1,217,567.40
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Solution
The fourth proportional to 4,412,441.08, 6,619,043.14 and 1,217,567.40 is: 1,826,456.37
Step by Step Solution
- Step 1: Write the proportion equation
4,412,441.08 : 6,619,043.14 = 1,217,567.40 : x - Step 2: Convert to fraction form
4,412,441.08/6,619,043.14 = 1,217,567.40/x - Step 3: Cross multiply
4,412,441.08x = 6,619,043.14 × 1,217,567.40 - Step 4: Simplify right side
4,412,441.08x = 8,059,131,118,592.31 - Step 5: Solve for x
x = 8,059,131,118,592.31/4,412,441.08 - Step 6: Final answer
x = 1,826,456.37
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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.