Finding the Fourth Proportional to 4,952,911.16, 6,832,121.58 and 3,114,459.80
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Solution
The fourth proportional to 4,952,911.16, 6,832,121.58 and 3,114,459.80 is: 4,296,133.59
Step by Step Solution
- Step 1: Write the proportion equation
4,952,911.16 : 6,832,121.58 = 3,114,459.80 : x - Step 2: Convert to fraction form
4,952,911.16/6,832,121.58 = 3,114,459.80/x - Step 3: Cross multiply
4,952,911.16x = 6,832,121.58 × 3,114,459.80 - Step 4: Simplify right side
4,952,911.16x = 21,278,368,009,622.48 - Step 5: Solve for x
x = 21,278,368,009,622.48/4,952,911.16 - Step 6: Final answer
x = 4,296,133.59
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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.