Finding the Fourth Proportional to 4,445,988.48, 6,135,406.56 and 2,512,123.20
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Solution
The fourth proportional to 4,445,988.48, 6,135,406.56 and 2,512,123.20 is: 3,466,697.50
Step by Step Solution
- Step 1: Write the proportion equation
4,445,988.48 : 6,135,406.56 = 2,512,123.20 : x - Step 2: Convert to fraction form
4,445,988.48/6,135,406.56 = 2,512,123.20/x - Step 3: Cross multiply
4,445,988.48x = 6,135,406.56 × 2,512,123.20 - Step 4: Simplify right side
4,445,988.48x = 15,412,897,160,808.19 - Step 5: Solve for x
x = 15,412,897,160,808.19/4,445,988.48 - Step 6: Final answer
x = 3,466,697.50
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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.