Finding the Fourth Proportional to 5,405,982.98, 7,460,259.41 and 2,958,592.58
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Solution
The fourth proportional to 5,405,982.98, 7,460,259.41 and 2,958,592.58 is: 4,082,859.35
Step by Step Solution
- Step 1: Write the proportion equation
5,405,982.98 : 7,460,259.41 = 2,958,592.58 : x - Step 2: Convert to fraction form
5,405,982.98/7,460,259.41 = 2,958,592.58/x - Step 3: Cross multiply
5,405,982.98x = 7,460,259.41 × 2,958,592.58 - Step 4: Simplify right side
5,405,982.98x = 22,071,868,139,158.86 - Step 5: Solve for x
x = 22,071,868,139,158.86/5,405,982.98 - Step 6: Final answer
x = 4,082,859.35
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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.