Finding the Fourth Proportional to 5,148,186.41, 7,104,605.78 and 2,825,058.62
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Solution
The fourth proportional to 5,148,186.41, 7,104,605.78 and 2,825,058.62 is: 3,898,640.45
Step by Step Solution
- Step 1: Write the proportion equation
5,148,186.41 : 7,104,605.78 = 2,825,058.62 : x - Step 2: Convert to fraction form
5,148,186.41/7,104,605.78 = 2,825,058.62/x - Step 3: Cross multiply
5,148,186.41x = 7,104,605.78 × 2,825,058.62 - Step 4: Simplify right side
5,148,186.41x = 20,070,927,785,351.57 - Step 5: Solve for x
x = 20,070,927,785,351.57/5,148,186.41 - Step 6: Final answer
x = 3,898,640.45
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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.