Finding the Fourth Proportional to 3,418,164.64, 4,715,642.46 and 1,967,512.96
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Solution
The fourth proportional to 3,418,164.64, 4,715,642.46 and 1,967,512.96 is: 2,714,347.80
Step by Step Solution
- Step 1: Write the proportion equation
3,418,164.64 : 4,715,642.46 = 1,967,512.96 : x - Step 2: Convert to fraction form
3,418,164.64/4,715,642.46 = 1,967,512.96/x - Step 3: Cross multiply
3,418,164.64x = 4,715,642.46 × 1,967,512.96 - Step 4: Simplify right side
3,418,164.64x = 9,278,087,654,776.28 - Step 5: Solve for x
x = 9,278,087,654,776.28/3,418,164.64 - Step 6: Final answer
x = 2,714,347.80
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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.