Finding the Fourth Proportional to 4,490,351.91, 6,739,786.14 and 2,779,319.52
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Solution
The fourth proportional to 4,490,351.91, 6,739,786.14 and 2,779,319.52 is: 4,171,614.95
Step by Step Solution
- Step 1: Write the proportion equation
4,490,351.91 : 6,739,786.14 = 2,779,319.52 : x - Step 2: Convert to fraction form
4,490,351.91/6,739,786.14 = 2,779,319.52/x - Step 3: Cross multiply
4,490,351.91x = 6,739,786.14 × 2,779,319.52 - Step 4: Simplify right side
4,490,351.91x = 18,732,019,179,527.45 - Step 5: Solve for x
x = 18,732,019,179,527.45/4,490,351.91 - Step 6: Final answer
x = 4,171,614.95
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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.