Finding the Fourth Proportional to 5,389,747, 7,437,850.86 and 2,975,316.28
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Solution
The fourth proportional to 5,389,747, 7,437,850.86 and 2,975,316.28 is: 4,105,936.47
Step by Step Solution
- Step 1: Write the proportion equation
5,389,747 : 7,437,850.86 = 2,975,316.28 : x - Step 2: Convert to fraction form
5,389,747/7,437,850.86 = 2,975,316.28/x - Step 3: Cross multiply
5,389,747x = 7,437,850.86 × 2,975,316.28 - Step 4: Simplify right side
5,389,747x = 22,129,958,751,970 - Step 5: Solve for x
x = 22,129,958,751,970/5,389,747 - Step 6: Final answer
x = 4,105,936.47
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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.