Finding the Fourth Proportional to 2,412,122.20, 3,330,286.32 and 1,495,331.08
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Solution
The fourth proportional to 2,412,122.20, 3,330,286.32 and 1,495,331.08 is: 2,064,522.54
Step by Step Solution
- Step 1: Write the proportion equation
2,412,122.20 : 3,330,286.32 = 1,495,331.08 : x - Step 2: Convert to fraction form
2,412,122.20/3,330,286.32 = 1,495,331.08/x - Step 3: Cross multiply
2,412,122.20x = 3,330,286.32 × 1,495,331.08 - Step 4: Simplify right side
2,412,122.20x = 4,979,880,639,594.83 - Step 5: Solve for x
x = 4,979,880,639,594.83/2,412,122.20 - Step 6: Final answer
x = 2,064,522.54
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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.