Finding the Fourth Proportional to 1,545,805.97, 2,317,587.92 and 1,039,110.19
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Solution
The fourth proportional to 1,545,805.97, 2,317,587.92 and 1,039,110.19 is: 1,557,911.71
Step by Step Solution
- Step 1: Write the proportion equation
1,545,805.97 : 2,317,587.92 = 1,039,110.19 : x - Step 2: Convert to fraction form
1,545,805.97/2,317,587.92 = 1,039,110.19/x - Step 3: Cross multiply
1,545,805.97x = 2,317,587.92 × 1,039,110.19 - Step 4: Simplify right side
1,545,805.97x = 2,408,229,212,903.38 - Step 5: Solve for x
x = 2,408,229,212,903.38/1,545,805.97 - Step 6: Final answer
x = 1,557,911.71
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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.