Finding the Fourth Proportional to 4,292,428.08, 6,444,105.12 and 2,782,428.96
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Solution
The fourth proportional to 4,292,428.08, 6,444,105.12 and 2,782,428.96 is: 4,177,184.65
Step by Step Solution
- Step 1: Write the proportion equation
4,292,428.08 : 6,444,105.12 = 2,782,428.96 : x - Step 2: Convert to fraction form
4,292,428.08/6,444,105.12 = 2,782,428.96/x - Step 3: Cross multiply
4,292,428.08x = 6,444,105.12 × 2,782,428.96 - Step 4: Simplify right side
4,292,428.08x = 17,930,264,707,172.27 - Step 5: Solve for x
x = 17,930,264,707,172.27/4,292,428.08 - Step 6: Final answer
x = 4,177,184.65
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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.