Finding the Fourth Proportional to 4,575,575.36, 6,863,411.64 and 1,380,729.62
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Solution
The fourth proportional to 4,575,575.36, 6,863,411.64 and 1,380,729.62 is: 2,071,109.10
Step by Step Solution
- Step 1: Write the proportion equation
4,575,575.36 : 6,863,411.64 = 1,380,729.62 : x - Step 2: Convert to fraction form
4,575,575.36/6,863,411.64 = 1,380,729.62/x - Step 3: Cross multiply
4,575,575.36x = 6,863,411.64 × 1,380,729.62 - Step 4: Simplify right side
4,575,575.36x = 9,476,515,745,600.78 - Step 5: Solve for x
x = 9,476,515,745,600.78/4,575,575.36 - Step 6: Final answer
x = 2,071,109.10
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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.