Finding the Fourth Proportional to 5,136,109.10, 7,088,053.37 and 2,844,269.79
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Solution
The fourth proportional to 5,136,109.10, 7,088,053.37 and 2,844,269.79 is: 3,925,215.70
Step by Step Solution
- Step 1: Write the proportion equation
5,136,109.10 : 7,088,053.37 = 2,844,269.79 : x - Step 2: Convert to fraction form
5,136,109.10/7,088,053.37 = 2,844,269.79/x - Step 3: Cross multiply
5,136,109.10x = 7,088,053.37 × 2,844,269.79 - Step 4: Simplify right side
5,136,109.10x = 20,160,336,055,977.34 - Step 5: Solve for x
x = 20,160,336,055,977.34/5,136,109.10 - Step 6: Final answer
x = 3,925,215.70
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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.