Finding the Fourth Proportional to 5,373,313.32, 7,412,773.44 and 3,630,420.12
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Solution
The fourth proportional to 5,373,313.32, 7,412,773.44 and 3,630,420.12 is: 5,008,358.95
Step by Step Solution
- Step 1: Write the proportion equation
5,373,313.32 : 7,412,773.44 = 3,630,420.12 : x - Step 2: Convert to fraction form
5,373,313.32/7,412,773.44 = 3,630,420.12/x - Step 3: Cross multiply
5,373,313.32x = 7,412,773.44 × 3,630,420.12 - Step 4: Simplify right side
5,373,313.32x = 26,911,481,841,577.61 - Step 5: Solve for x
x = 26,911,481,841,577.61/5,373,313.32 - Step 6: Final answer
x = 5,008,358.95
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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.