Finding the Fourth Proportional to 4,354,265.70, 6,531,398.55 and 1,321,625.70
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Solution
The fourth proportional to 4,354,265.70, 6,531,398.55 and 1,321,625.70 is: 1,982,438.55
Step by Step Solution
- Step 1: Write the proportion equation
4,354,265.70 : 6,531,398.55 = 1,321,625.70 : x - Step 2: Convert to fraction form
4,354,265.70/6,531,398.55 = 1,321,625.70/x - Step 3: Cross multiply
4,354,265.70x = 6,531,398.55 × 1,321,625.70 - Step 4: Simplify right side
4,354,265.70x = 8,632,064,180,622.74 - Step 5: Solve for x
x = 8,632,064,180,622.74/4,354,265.70 - Step 6: Final answer
x = 1,982,438.55
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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.