Finding the Fourth Proportional to 3,006,991.48, 4,145,633.92 and 2,388,847.68
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Solution
The fourth proportional to 3,006,991.48, 4,145,633.92 and 2,388,847.68 is: 3,293,420.70
Step by Step Solution
- Step 1: Write the proportion equation
3,006,991.48 : 4,145,633.92 = 2,388,847.68 : x - Step 2: Convert to fraction form
3,006,991.48/4,145,633.92 = 2,388,847.68/x - Step 3: Cross multiply
3,006,991.48x = 4,145,633.92 × 2,388,847.68 - Step 4: Simplify right side
3,006,991.48x = 9,903,287,971,921.31 - Step 5: Solve for x
x = 9,903,287,971,921.31/3,006,991.48 - Step 6: Final answer
x = 3,293,420.70
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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.