Finding the Fourth Proportional to 2,132,270.80, 3,198,959.80 and 636,362.96
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Solution
The fourth proportional to 2,132,270.80, 3,198,959.80 and 636,362.96 is: 954,709.66
Step by Step Solution
- Step 1: Write the proportion equation
2,132,270.80 : 3,198,959.80 = 636,362.96 : x - Step 2: Convert to fraction form
2,132,270.80/3,198,959.80 = 636,362.96/x - Step 3: Cross multiply
2,132,270.80x = 3,198,959.80 × 636,362.96 - Step 4: Simplify right side
2,132,270.80x = 2,035,699,527,249.01 - Step 5: Solve for x
x = 2,035,699,527,249.01/2,132,270.80 - Step 6: Final answer
x = 954,709.66
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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.