Finding the Fourth Proportional to 1,939,566.78, 2,676,410.55 and 1,080,207
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Solution
The fourth proportional to 1,939,566.78, 2,676,410.55 and 1,080,207 is: 1,490,578.95
Step by Step Solution
- Step 1: Write the proportion equation
1,939,566.78 : 2,676,410.55 = 1,080,207 : x - Step 2: Convert to fraction form
1,939,566.78/2,676,410.55 = 1,080,207/x - Step 3: Cross multiply
1,939,566.78x = 2,676,410.55 × 1,080,207 - Step 4: Simplify right side
1,939,566.78x = 2,891,077,410,983.85 - Step 5: Solve for x
x = 2,891,077,410,983.85/1,939,566.78 - Step 6: Final answer
x = 1,490,578.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.