Finding the Fourth Proportional to 7,971,461.46, 11,959,090.26 and 2,580,112.80
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Solution
The fourth proportional to 7,971,461.46, 11,959,090.26 and 2,580,112.80 is: 3,870,783.55
Step by Step Solution
- Step 1: Write the proportion equation
7,971,461.46 : 11,959,090.26 = 2,580,112.80 : x - Step 2: Convert to fraction form
7,971,461.46/11,959,090.26 = 2,580,112.80/x - Step 3: Cross multiply
7,971,461.46x = 11,959,090.26 × 2,580,112.80 - Step 4: Simplify right side
7,971,461.46x = 30,855,801,856,181.32 - Step 5: Solve for x
x = 30,855,801,856,181.32/7,971,461.46 - Step 6: Final answer
x = 3,870,783.55
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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.