Finding the Fourth Proportional to 2,101,206.02, 3,146,756.34 and 1,199,916.06
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Solution
The fourth proportional to 2,101,206.02, 3,146,756.34 and 1,199,916.06 is: 1,796,988.70
Step by Step Solution
- Step 1: Write the proportion equation
2,101,206.02 : 3,146,756.34 = 1,199,916.06 : x - Step 2: Convert to fraction form
2,101,206.02/3,146,756.34 = 1,199,916.06/x - Step 3: Cross multiply
2,101,206.02x = 3,146,756.34 × 1,199,916.06 - Step 4: Simplify right side
2,101,206.02x = 3,775,843,469,272.82 - Step 5: Solve for x
x = 3,775,843,469,272.82/2,101,206.02 - Step 6: Final answer
x = 1,796,988.70
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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.