Finding the Fourth Proportional to 2,990,232.08, 4,131,918.10 and 2,129,297.68
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Solution
The fourth proportional to 2,990,232.08, 4,131,918.10 and 2,129,297.68 is: 2,942,274.51
Step by Step Solution
- Step 1: Write the proportion equation
2,990,232.08 : 4,131,918.10 = 2,129,297.68 : x - Step 2: Convert to fraction form
2,990,232.08/4,131,918.10 = 2,129,297.68/x - Step 3: Cross multiply
2,990,232.08x = 4,131,918.10 × 2,129,297.68 - Step 4: Simplify right side
2,990,232.08x = 8,798,083,624,280.01 - Step 5: Solve for x
x = 8,798,083,624,280.01/2,990,232.08 - Step 6: Final answer
x = 2,942,274.51
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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.