Finding the Fourth Proportional to 3,915,620.18, 5,873,430.27 and 3,649,899.68
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Solution
The fourth proportional to 3,915,620.18, 5,873,430.27 and 3,649,899.68 is: 5,474,849.52
Step by Step Solution
- Step 1: Write the proportion equation
3,915,620.18 : 5,873,430.27 = 3,649,899.68 : x - Step 2: Convert to fraction form
3,915,620.18/5,873,430.27 = 3,649,899.68/x - Step 3: Cross multiply
3,915,620.18x = 5,873,430.27 × 3,649,899.68 - Step 4: Simplify right side
3,915,620.18x = 21,437,431,219,921.04 - Step 5: Solve for x
x = 21,437,431,219,921.04/3,915,620.18 - Step 6: Final answer
x = 5,474,849.52
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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.