Finding the Fourth Proportional to 4,218,069.64, 5,820,907.05 and 2,284,285.96
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Solution
The fourth proportional to 4,218,069.64, 5,820,907.05 and 2,284,285.96 is: 3,152,298.89
Step by Step Solution
- Step 1: Write the proportion equation
4,218,069.64 : 5,820,907.05 = 2,284,285.96 : x - Step 2: Convert to fraction form
4,218,069.64/5,820,907.05 = 2,284,285.96/x - Step 3: Cross multiply
4,218,069.64x = 5,820,907.05 × 2,284,285.96 - Step 4: Simplify right side
4,218,069.64x = 13,296,616,248,780.02 - Step 5: Solve for x
x = 13,296,616,248,780.02/4,218,069.64 - Step 6: Final answer
x = 3,152,298.89
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.