Finding the Fourth Proportional to 2,115,696.27, 3,173,765.84 and 695,863.07
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Solution
The fourth proportional to 2,115,696.27, 3,173,765.84 and 695,863.07 is: 1,043,867.43
Step by Step Solution
- Step 1: Write the proportion equation
2,115,696.27 : 3,173,765.84 = 695,863.07 : x - Step 2: Convert to fraction form
2,115,696.27/3,173,765.84 = 695,863.07/x - Step 3: Cross multiply
2,115,696.27x = 3,173,765.84 × 695,863.07 - Step 4: Simplify right side
2,115,696.27x = 2,208,506,421,535.38 - Step 5: Solve for x
x = 2,208,506,421,535.38/2,115,696.27 - Step 6: Final answer
x = 1,043,867.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.