Finding the Fourth Proportional to 2,578,191.26, 3,558,231.98 and 1,559,603.30
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Solution
The fourth proportional to 2,578,191.26, 3,558,231.98 and 1,559,603.30 is: 2,152,450.99
Step by Step Solution
- Step 1: Write the proportion equation
2,578,191.26 : 3,558,231.98 = 1,559,603.30 : x - Step 2: Convert to fraction form
2,578,191.26/3,558,231.98 = 1,559,603.30/x - Step 3: Cross multiply
2,578,191.26x = 3,558,231.98 × 1,559,603.30 - Step 4: Simplify right side
2,578,191.26x = 5,549,430,338,173.53 - Step 5: Solve for x
x = 5,549,430,338,173.53/2,578,191.26 - Step 6: Final answer
x = 2,152,450.99
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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.