Finding the Fourth Proportional to 5,371,412.16, 8,057,202.06 and 2,990,390.02
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Solution
The fourth proportional to 5,371,412.16, 8,057,202.06 and 2,990,390.02 is: 4,485,631.69
Step by Step Solution
- Step 1: Write the proportion equation
5,371,412.16 : 8,057,202.06 = 2,990,390.02 : x - Step 2: Convert to fraction form
5,371,412.16/8,057,202.06 = 2,990,390.02/x - Step 3: Cross multiply
5,371,412.16x = 8,057,202.06 × 2,990,390.02 - Step 4: Simplify right side
5,371,412.16x = 24,094,176,629,347.44 - Step 5: Solve for x
x = 24,094,176,629,347.44/5,371,412.16 - Step 6: Final answer
x = 4,485,631.69
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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.