Finding the Fourth Proportional to 5,918,406.75, 8,167,401.32 and 3,202,152.75
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Solution
The fourth proportional to 5,918,406.75, 8,167,401.32 and 3,202,152.75 is: 4,418,970.80
Step by Step Solution
- Step 1: Write the proportion equation
5,918,406.75 : 8,167,401.32 = 3,202,152.75 : x - Step 2: Convert to fraction form
5,918,406.75/8,167,401.32 = 3,202,152.75/x - Step 3: Cross multiply
5,918,406.75x = 8,167,401.32 × 3,202,152.75 - Step 4: Simplify right side
5,918,406.75x = 26,153,266,581,180.87 - Step 5: Solve for x
x = 26,153,266,581,180.87/5,918,406.75 - Step 6: Final answer
x = 4,418,970.80
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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.