Finding the Fourth Proportional to 5,227,703.42, 7,842,351.08 and 2,667,519.20
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Solution
The fourth proportional to 5,227,703.42, 7,842,351.08 and 2,667,519.20 is: 4,001,684.96
Step by Step Solution
- Step 1: Write the proportion equation
5,227,703.42 : 7,842,351.08 = 2,667,519.20 : x - Step 2: Convert to fraction form
5,227,703.42/7,842,351.08 = 2,667,519.20/x - Step 3: Cross multiply
5,227,703.42x = 7,842,351.08 × 2,667,519.20 - Step 4: Simplify right side
5,227,703.42x = 20,919,622,105,315.41 - Step 5: Solve for x
x = 20,919,622,105,315.41/5,227,703.42 - Step 6: Final answer
x = 4,001,684.96
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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.