Finding the Fourth Proportional to 1,214,742.11, 1,676,356.76 and 670,891.70
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Solution
The fourth proportional to 1,214,742.11, 1,676,356.76 and 670,891.70 is: 925,837.54
Step by Step Solution
- Step 1: Write the proportion equation
1,214,742.11 : 1,676,356.76 = 670,891.70 : x - Step 2: Convert to fraction form
1,214,742.11/1,676,356.76 = 670,891.70/x - Step 3: Cross multiply
1,214,742.11x = 1,676,356.76 × 670,891.70 - Step 4: Simplify right side
1,214,742.11x = 1,124,653,842,391.01 - Step 5: Solve for x
x = 1,124,653,842,391.01/1,214,742.11 - Step 6: Final answer
x = 925,837.54
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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.