Finding the Fourth Proportional to 1,525,708.67, 2,105,486.12 and 846,645.17
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Solution
The fourth proportional to 1,525,708.67, 2,105,486.12 and 846,645.17 is: 1,168,374.86
Step by Step Solution
- Step 1: Write the proportion equation
1,525,708.67 : 2,105,486.12 = 846,645.17 : x - Step 2: Convert to fraction form
1,525,708.67/2,105,486.12 = 846,645.17/x - Step 3: Cross multiply
1,525,708.67x = 2,105,486.12 × 846,645.17 - Step 4: Simplify right side
1,525,708.67x = 1,782,599,645,589.22 - Step 5: Solve for x
x = 1,782,599,645,589.22/1,525,708.67 - Step 6: Final answer
x = 1,168,374.86
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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.