Finding the Fourth Proportional to 3,774,042.99, 5,208,041.81 and 2,055,125.79
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Solution
The fourth proportional to 3,774,042.99, 5,208,041.81 and 2,055,125.79 is: 2,835,998.71
Step by Step Solution
- Step 1: Write the proportion equation
3,774,042.99 : 5,208,041.81 = 2,055,125.79 : x - Step 2: Convert to fraction form
3,774,042.99/5,208,041.81 = 2,055,125.79/x - Step 3: Cross multiply
3,774,042.99x = 5,208,041.81 × 2,055,125.79 - Step 4: Simplify right side
3,774,042.99x = 10,703,181,044,267.09 - Step 5: Solve for x
x = 10,703,181,044,267.09/3,774,042.99 - Step 6: Final answer
x = 2,835,998.71
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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.