Finding the Fourth Proportional to 3,218,282.08, 4,439,259.37 and 1,910,646.63
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Solution
The fourth proportional to 3,218,282.08, 4,439,259.37 and 1,910,646.63 is: 2,635,522.85
Step by Step Solution
- Step 1: Write the proportion equation
3,218,282.08 : 4,439,259.37 = 1,910,646.63 : x - Step 2: Convert to fraction form
3,218,282.08/4,439,259.37 = 1,910,646.63/x - Step 3: Cross multiply
3,218,282.08x = 4,439,259.37 × 1,910,646.63 - Step 4: Simplify right side
3,218,282.08x = 8,481,855,957,374.73 - Step 5: Solve for x
x = 8,481,855,957,374.73/3,218,282.08 - Step 6: Final answer
x = 2,635,522.85
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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.