Finding the Fourth Proportional to 2,135,051.04, 2,946,343.74 and 1,217,250.96
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Solution
The fourth proportional to 2,135,051.04, 2,946,343.74 and 1,217,250.96 is: 1,679,791.11
Step by Step Solution
- Step 1: Write the proportion equation
2,135,051.04 : 2,946,343.74 = 1,217,250.96 : x - Step 2: Convert to fraction form
2,135,051.04/2,946,343.74 = 1,217,250.96/x - Step 3: Cross multiply
2,135,051.04x = 2,946,343.74 × 1,217,250.96 - Step 4: Simplify right side
2,135,051.04x = 3,586,439,746,004.99 - Step 5: Solve for x
x = 3,586,439,746,004.99/2,135,051.04 - Step 6: Final answer
x = 1,679,791.11
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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.