Finding the Fourth Proportional to 2,882,636.78, 3,977,914.73 and 1,575,863.96
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Solution
The fourth proportional to 2,882,636.78, 3,977,914.73 and 1,575,863.96 is: 2,174,624.46
Step by Step Solution
- Step 1: Write the proportion equation
2,882,636.78 : 3,977,914.73 = 1,575,863.96 : x - Step 2: Convert to fraction form
2,882,636.78/3,977,914.73 = 1,575,863.96/x - Step 3: Cross multiply
2,882,636.78x = 3,977,914.73 × 1,575,863.96 - Step 4: Simplify right side
2,882,636.78x = 6,268,652,458,960.13 - Step 5: Solve for x
x = 6,268,652,458,960.13/2,882,636.78 - Step 6: Final answer
x = 2,174,624.46
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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.