Finding the Fourth Proportional to 5,195,082.32, 7,169,192.64 and 2,903,242.40
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Solution
The fourth proportional to 5,195,082.32, 7,169,192.64 and 2,903,242.40 is: 4,006,462.80
Step by Step Solution
- Step 1: Write the proportion equation
5,195,082.32 : 7,169,192.64 = 2,903,242.40 : x - Step 2: Convert to fraction form
5,195,082.32/7,169,192.64 = 2,903,242.40/x - Step 3: Cross multiply
5,195,082.32x = 7,169,192.64 × 2,903,242.40 - Step 4: Simplify right side
5,195,082.32x = 20,813,904,046,215.93 - Step 5: Solve for x
x = 20,813,904,046,215.93/5,195,082.32 - Step 6: Final answer
x = 4,006,462.80
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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.