Finding the Fourth Proportional to 2,203,070.76, 3,042,176.40 and 1,377,559.08
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Solution
The fourth proportional to 2,203,070.76, 3,042,176.40 and 1,377,559.08 is: 1,902,243.81
Step by Step Solution
- Step 1: Write the proportion equation
2,203,070.76 : 3,042,176.40 = 1,377,559.08 : x - Step 2: Convert to fraction form
2,203,070.76/3,042,176.40 = 1,377,559.08/x - Step 3: Cross multiply
2,203,070.76x = 3,042,176.40 × 1,377,559.08 - Step 4: Simplify right side
2,203,070.76x = 4,190,777,722,781.71 - Step 5: Solve for x
x = 4,190,777,722,781.71/2,203,070.76 - Step 6: Final answer
x = 1,902,243.81
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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.