Finding the Fourth Proportional to 5,061,671.36, 6,985,106.32 and 2,769,832.32
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Solution
The fourth proportional to 5,061,671.36, 6,985,106.32 and 2,769,832.32 is: 3,822,368.52
Step by Step Solution
- Step 1: Write the proportion equation
5,061,671.36 : 6,985,106.32 = 2,769,832.32 : x - Step 2: Convert to fraction form
5,061,671.36/6,985,106.32 = 2,769,832.32/x - Step 3: Cross multiply
5,061,671.36x = 6,985,106.32 × 2,769,832.32 - Step 4: Simplify right side
5,061,671.36x = 19,347,573,243,772.26 - Step 5: Solve for x
x = 19,347,573,243,772.26/5,061,671.36 - Step 6: Final answer
x = 3,822,368.52
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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.