Finding the Fourth Proportional to 3,412,720.58, 5,117,365.28 and 1,137,447.18
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Solution
The fourth proportional to 3,412,720.58, 5,117,365.28 and 1,137,447.18 is: 1,705,598.97
Step by Step Solution
- Step 1: Write the proportion equation
3,412,720.58 : 5,117,365.28 = 1,137,447.18 : x - Step 2: Convert to fraction form
3,412,720.58/5,117,365.28 = 1,137,447.18/x - Step 3: Cross multiply
3,412,720.58x = 5,117,365.28 × 1,137,447.18 - Step 4: Simplify right side
3,412,720.58x = 5,820,732,709,609.53 - Step 5: Solve for x
x = 5,820,732,709,609.53/3,412,720.58 - Step 6: Final answer
x = 1,705,598.97
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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.