Finding the Fourth Proportional to 1,970,625.38, 2,719,461.82 and 1,065,207.38
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Solution
The fourth proportional to 1,970,625.38, 2,719,461.82 and 1,065,207.38 is: 1,469,985.53
Step by Step Solution
- Step 1: Write the proportion equation
1,970,625.38 : 2,719,461.82 = 1,065,207.38 : x - Step 2: Convert to fraction form
1,970,625.38/2,719,461.82 = 1,065,207.38/x - Step 3: Cross multiply
1,970,625.38x = 2,719,461.82 × 1,065,207.38 - Step 4: Simplify right side
1,970,625.38x = 2,896,790,800,292.23 - Step 5: Solve for x
x = 2,896,790,800,292.23/1,970,625.38 - Step 6: Final answer
x = 1,469,985.53
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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.