Finding the Fourth Proportional to 2,186,609.13, 3,280,860.99 and 1,174,550.31
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Solution
The fourth proportional to 2,186,609.13, 3,280,860.99 and 1,174,550.31 is: 1,762,334.31
Step by Step Solution
- Step 1: Write the proportion equation
2,186,609.13 : 3,280,860.99 = 1,174,550.31 : x - Step 2: Convert to fraction form
2,186,609.13/3,280,860.99 = 1,174,550.31/x - Step 3: Cross multiply
2,186,609.13x = 3,280,860.99 × 1,174,550.31 - Step 4: Simplify right side
2,186,609.13x = 3,853,536,292,871.41 - Step 5: Solve for x
x = 3,853,536,292,871.41/2,186,609.13 - Step 6: Final answer
x = 1,762,334.31
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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.