Finding the Fourth Proportional to 1,879,034.70, 2,593,060.11 and 1,115,716.62
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Solution
The fourth proportional to 1,879,034.70, 2,593,060.11 and 1,115,716.62 is: 1,539,684.32
Step by Step Solution
- Step 1: Write the proportion equation
1,879,034.70 : 2,593,060.11 = 1,115,716.62 : x - Step 2: Convert to fraction form
1,879,034.70/2,593,060.11 = 1,115,716.62/x - Step 3: Cross multiply
1,879,034.70x = 2,593,060.11 × 1,115,716.62 - Step 4: Simplify right side
1,879,034.70x = 2,893,120,261,386.03 - Step 5: Solve for x
x = 2,893,120,261,386.03/1,879,034.70 - Step 6: Final answer
x = 1,539,684.32
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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.