Finding the Fourth Proportional to 1,412,740.44, 2,119,110.62 and 415,468.44
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Solution
The fourth proportional to 1,412,740.44, 2,119,110.62 and 415,468.44 is: 623,202.65
Step by Step Solution
- Step 1: Write the proportion equation
1,412,740.44 : 2,119,110.62 = 415,468.44 : x - Step 2: Convert to fraction form
1,412,740.44/2,119,110.62 = 415,468.44/x - Step 3: Cross multiply
1,412,740.44x = 2,119,110.62 × 415,468.44 - Step 4: Simplify right side
1,412,740.44x = 880,423,581,401.49 - Step 5: Solve for x
x = 880,423,581,401.49/1,412,740.44 - Step 6: Final answer
x = 623,202.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.