Finding the Fourth Proportional to 1,845,603.70, 2,768,405.55 and 848,331.70
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Solution
The fourth proportional to 1,845,603.70, 2,768,405.55 and 848,331.70 is: 1,272,497.55
Step by Step Solution
- Step 1: Write the proportion equation
1,845,603.70 : 2,768,405.55 = 848,331.70 : x - Step 2: Convert to fraction form
1,845,603.70/2,768,405.55 = 848,331.70/x - Step 3: Cross multiply
1,845,603.70x = 2,768,405.55 × 848,331.70 - Step 4: Simplify right side
1,845,603.70x = 2,348,526,186,520.93 - Step 5: Solve for x
x = 2,348,526,186,520.93/1,845,603.70 - Step 6: Final answer
x = 1,272,497.55
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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.