Finding the Fourth Proportional to 5,386,924.76, 8,081,670.18 and 2,021,160.92
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Solution
The fourth proportional to 5,386,924.76, 8,081,670.18 and 2,021,160.92 is: 3,032,222.77
Step by Step Solution
- Step 1: Write the proportion equation
5,386,924.76 : 8,081,670.18 = 2,021,160.92 : x - Step 2: Convert to fraction form
5,386,924.76/8,081,670.18 = 2,021,160.92/x - Step 3: Cross multiply
5,386,924.76x = 8,081,670.18 × 2,021,160.92 - Step 4: Simplify right side
5,386,924.76x = 16,334,355,936,145.37 - Step 5: Solve for x
x = 16,334,355,936,145.37/5,386,924.76 - Step 6: Final answer
x = 3,032,222.77
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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.