Finding the Fourth Proportional to 3,418,592.37, 4,719,110.06 and 2,130,069.37
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Solution
The fourth proportional to 3,418,592.37, 4,719,110.06 and 2,130,069.37 is: 2,940,400.82
Step by Step Solution
- Step 1: Write the proportion equation
3,418,592.37 : 4,719,110.06 = 2,130,069.37 : x - Step 2: Convert to fraction form
3,418,592.37/4,719,110.06 = 2,130,069.37/x - Step 3: Cross multiply
3,418,592.37x = 4,719,110.06 × 2,130,069.37 - Step 4: Simplify right side
3,418,592.37x = 10,052,031,792,464.86 - Step 5: Solve for x
x = 10,052,031,792,464.86/3,418,592.37 - Step 6: Final answer
x = 2,940,400.82
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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.