Finding the Fourth Proportional to 5,102,058.68, 7,040,839.65 and 2,810,219.37
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Solution
The fourth proportional to 5,102,058.68, 7,040,839.65 and 2,810,219.37 is: 3,878,101.99
Step by Step Solution
- Step 1: Write the proportion equation
5,102,058.68 : 7,040,839.65 = 2,810,219.37 : x - Step 2: Convert to fraction form
5,102,058.68/7,040,839.65 = 2,810,219.37/x - Step 3: Cross multiply
5,102,058.68x = 7,040,839.65 × 2,810,219.37 - Step 4: Simplify right side
5,102,058.68x = 19,786,303,928,552.55 - Step 5: Solve for x
x = 19,786,303,928,552.55/5,102,058.68 - Step 6: Final answer
x = 3,878,101.99
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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.