Finding the Fourth Proportional to 5,625,945.91, 7,763,829.14 and 3,047,626.68
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Solution
The fourth proportional to 5,625,945.91, 7,763,829.14 and 3,047,626.68 is: 4,205,737.70
Step by Step Solution
- Step 1: Write the proportion equation
5,625,945.91 : 7,763,829.14 = 3,047,626.68 : x - Step 2: Convert to fraction form
5,625,945.91/7,763,829.14 = 3,047,626.68/x - Step 3: Cross multiply
5,625,945.91x = 7,763,829.14 × 3,047,626.68 - Step 4: Simplify right side
5,625,945.91x = 23,661,252,826,025.46 - Step 5: Solve for x
x = 23,661,252,826,025.46/5,625,945.91 - Step 6: Final answer
x = 4,205,737.70
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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.