Finding the Fourth Proportional to 1,768,764.24, 2,440,981.18 and 994,638.72
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Solution
The fourth proportional to 1,768,764.24, 2,440,981.18 and 994,638.72 is: 1,372,650.09
Step by Step Solution
- Step 1: Write the proportion equation
1,768,764.24 : 2,440,981.18 = 994,638.72 : x - Step 2: Convert to fraction form
1,768,764.24/2,440,981.18 = 994,638.72/x - Step 3: Cross multiply
1,768,764.24x = 2,440,981.18 × 994,638.72 - Step 4: Simplify right side
1,768,764.24x = 2,427,894,396,419.29 - Step 5: Solve for x
x = 2,427,894,396,419.29/1,768,764.24 - Step 6: Final answer
x = 1,372,650.09
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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.