Finding the Fourth Proportional to 2,299,430.61, 3,173,217.39 and 1,252,846.62
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Solution
The fourth proportional to 2,299,430.61, 3,173,217.39 and 1,252,846.62 is: 1,728,930.05
Step by Step Solution
- Step 1: Write the proportion equation
2,299,430.61 : 3,173,217.39 = 1,252,846.62 : x - Step 2: Convert to fraction form
2,299,430.61/3,173,217.39 = 1,252,846.62/x - Step 3: Cross multiply
2,299,430.61x = 3,173,217.39 × 1,252,846.62 - Step 4: Simplify right side
2,299,430.61x = 3,975,554,681,586.72 - Step 5: Solve for x
x = 3,975,554,681,586.72/2,299,430.61 - Step 6: Final answer
x = 1,728,930.05
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1.5x scale
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.