Finding the Fourth Proportional to 6,331,078.68, 8,736,919.00 and 3,430,468.79
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Solution
The fourth proportional to 6,331,078.68, 8,736,919.00 and 3,430,468.79 is: 4,734,063.41
Step by Step Solution
- Step 1: Write the proportion equation
6,331,078.68 : 8,736,919.00 = 3,430,468.79 : x - Step 2: Convert to fraction form
6,331,078.68/8,736,919.00 = 3,430,468.79/x - Step 3: Cross multiply
6,331,078.68x = 8,736,919.00 × 3,430,468.79 - Step 4: Simplify right side
6,331,078.68x = 29,971,727,897,997.25 - Step 5: Solve for x
x = 29,971,727,897,997.25/6,331,078.68 - Step 6: Final answer
x = 4,734,063.41
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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.