Finding the Fourth Proportional to 7,852,575.92, 11,779,126.35 and 2,172,324.56
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Solution
The fourth proportional to 7,852,575.92, 11,779,126.35 and 2,172,324.56 is: 3,258,559.45
Step by Step Solution
- Step 1: Write the proportion equation
7,852,575.92 : 11,779,126.35 = 2,172,324.56 : x - Step 2: Convert to fraction form
7,852,575.92/11,779,126.35 = 2,172,324.56/x - Step 3: Cross multiply
7,852,575.92x = 11,779,126.35 × 2,172,324.56 - Step 4: Simplify right side
7,852,575.92x = 25,588,085,465,448.16 - Step 5: Solve for x
x = 25,588,085,465,448.16/7,852,575.92 - Step 6: Final answer
x = 3,258,559.45
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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.