Finding the Fourth Proportional to 4,316,967.21, 6,476,770.35 and 2,589,751.20
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Solution
The fourth proportional to 4,316,967.21, 6,476,770.35 and 2,589,751.20 is: 3,885,418.39
Step by Step Solution
- Step 1: Write the proportion equation
4,316,967.21 : 6,476,770.35 = 2,589,751.20 : x - Step 2: Convert to fraction form
4,316,967.21/6,476,770.35 = 2,589,751.20/x - Step 3: Cross multiply
4,316,967.21x = 6,476,770.35 × 2,589,751.20 - Step 4: Simplify right side
4,316,967.21x = 16,773,223,786,036.92 - Step 5: Solve for x
x = 16,773,223,786,036.92/4,316,967.21 - Step 6: Final answer
x = 3,885,418.39
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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.