Finding the Fourth Proportional to 4,798,129.92, 7,198,455.14 and 1,724,430.97
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Solution
The fourth proportional to 4,798,129.92, 7,198,455.14 and 1,724,430.97 is: 2,587,099.39
Step by Step Solution
- Step 1: Write the proportion equation
4,798,129.92 : 7,198,455.14 = 1,724,430.97 : x - Step 2: Convert to fraction form
4,798,129.92/7,198,455.14 = 1,724,430.97/x - Step 3: Cross multiply
4,798,129.92x = 7,198,455.14 × 1,724,430.97 - Step 4: Simplify right side
4,798,129.92x = 12,413,238,991,264.18 - Step 5: Solve for x
x = 12,413,238,991,264.18/4,798,129.92 - Step 6: Final answer
x = 2,587,099.39
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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.