Finding the Fourth Proportional to 1,378,130.02, 1,901,650.17 and 804,753.70
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Solution
The fourth proportional to 1,378,130.02, 1,901,650.17 and 804,753.70 is: 1,110,461.27
Step by Step Solution
- Step 1: Write the proportion equation
1,378,130.02 : 1,901,650.17 = 804,753.70 : x - Step 2: Convert to fraction form
1,378,130.02/1,901,650.17 = 804,753.70/x - Step 3: Cross multiply
1,378,130.02x = 1,901,650.17 × 804,753.70 - Step 4: Simplify right side
1,378,130.02x = 1,530,360,010,413.13 - Step 5: Solve for x
x = 1,530,360,010,413.13/1,378,130.02 - Step 6: Final answer
x = 1,110,461.27
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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.