Finding the Fourth Proportional to 1,779,241.75, 2,455,342.47 and 963,428.18
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Solution
The fourth proportional to 1,779,241.75, 2,455,342.47 and 963,428.18 is: 1,329,524.85
Step by Step Solution
- Step 1: Write the proportion equation
1,779,241.75 : 2,455,342.47 = 963,428.18 : x - Step 2: Convert to fraction form
1,779,241.75/2,455,342.47 = 963,428.18/x - Step 3: Cross multiply
1,779,241.75x = 2,455,342.47 × 963,428.18 - Step 4: Simplify right side
1,779,241.75x = 2,365,546,114,872.09 - Step 5: Solve for x
x = 2,365,546,114,872.09/1,779,241.75 - Step 6: Final answer
x = 1,329,524.85
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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.