Finding the Fourth Proportional to 2,909,589.15, 4,364,114.45 and 1,372,232.06
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Solution
The fourth proportional to 2,909,589.15, 4,364,114.45 and 1,372,232.06 is: 2,058,221.08
Step by Step Solution
- Step 1: Write the proportion equation
2,909,589.15 : 4,364,114.45 = 1,372,232.06 : x - Step 2: Convert to fraction form
2,909,589.15/4,364,114.45 = 1,372,232.06/x - Step 3: Cross multiply
2,909,589.15x = 4,364,114.45 × 1,372,232.06 - Step 4: Simplify right side
2,909,589.15x = 5,988,577,733,117.53 - Step 5: Solve for x
x = 5,988,577,733,117.53/2,909,589.15 - Step 6: Final answer
x = 2,058,221.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.