Finding the Fourth Proportional to 3,579,466.68, 4,939,664.76 and 1,969,834.68
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Solution
The fourth proportional to 3,579,466.68, 4,939,664.76 and 1,969,834.68 is: 2,718,372.27
Step by Step Solution
- Step 1: Write the proportion equation
3,579,466.68 : 4,939,664.76 = 1,969,834.68 : x - Step 2: Convert to fraction form
3,579,466.68/4,939,664.76 = 1,969,834.68/x - Step 3: Cross multiply
3,579,466.68x = 4,939,664.76 × 1,969,834.68 - Step 4: Simplify right side
3,579,466.68x = 9,730,322,951,821.88 - Step 5: Solve for x
x = 9,730,322,951,821.88/3,579,466.68 - Step 6: Final answer
x = 2,718,372.27
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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.