Finding the Fourth Proportional to 3,619,757.58, 4,995,306.55 and 1,988,203.19
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Solution
The fourth proportional to 3,619,757.58, 4,995,306.55 and 1,988,203.19 is: 2,743,742.96
Step by Step Solution
- Step 1: Write the proportion equation
3,619,757.58 : 4,995,306.55 = 1,988,203.19 : x - Step 2: Convert to fraction form
3,619,757.58/4,995,306.55 = 1,988,203.19/x - Step 3: Cross multiply
3,619,757.58x = 4,995,306.55 × 1,988,203.19 - Step 4: Simplify right side
3,619,757.58x = 9,931,684,395,246.62 - Step 5: Solve for x
x = 9,931,684,395,246.62/3,619,757.58 - Step 6: Final answer
x = 2,743,742.96
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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.