Finding the Fourth Proportional to 5,247,444.55, 7,241,154.93 and 2,892,539.09
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Solution
The fourth proportional to 5,247,444.55, 7,241,154.93 and 2,892,539.09 is: 3,991,528.35
Step by Step Solution
- Step 1: Write the proportion equation
5,247,444.55 : 7,241,154.93 = 2,892,539.09 : x - Step 2: Convert to fraction form
5,247,444.55/7,241,154.93 = 2,892,539.09/x - Step 3: Cross multiply
5,247,444.55x = 7,241,154.93 × 2,892,539.09 - Step 4: Simplify right side
5,247,444.55x = 20,945,323,699,027.08 - Step 5: Solve for x
x = 20,945,323,699,027.08/5,247,444.55 - Step 6: Final answer
x = 3,991,528.35
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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.