Finding the Fourth Proportional to 1,679,170.43, 2,317,229.55 and 944,125.40
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Solution
The fourth proportional to 1,679,170.43, 2,317,229.55 and 944,125.40 is: 1,302,878.63
Step by Step Solution
- Step 1: Write the proportion equation
1,679,170.43 : 2,317,229.55 = 944,125.40 : x - Step 2: Convert to fraction form
1,679,170.43/2,317,229.55 = 944,125.40/x - Step 3: Cross multiply
1,679,170.43x = 2,317,229.55 × 944,125.40 - Step 4: Simplify right side
1,679,170.43x = 2,187,755,264,199.42 - Step 5: Solve for x
x = 2,187,755,264,199.42/1,679,170.43 - Step 6: Final answer
x = 1,302,878.63
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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.