Finding the Fourth Proportional to 6,893,991.84, 10,341,695.70 and 2,637,739.92
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Solution
The fourth proportional to 6,893,991.84, 10,341,695.70 and 2,637,739.92 is: 3,956,880.75
Step by Step Solution
- Step 1: Write the proportion equation
6,893,991.84 : 10,341,695.70 = 2,637,739.92 : x - Step 2: Convert to fraction form
6,893,991.84/10,341,695.70 = 2,637,739.92/x - Step 3: Cross multiply
6,893,991.84x = 10,341,695.70 × 2,637,739.92 - Step 4: Simplify right side
6,893,991.84x = 27,278,703,588,382.34 - Step 5: Solve for x
x = 27,278,703,588,382.34/6,893,991.84 - Step 6: Final answer
x = 3,956,880.75
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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.