Finding the Fourth Proportional to 1,706,242.86, 2,354,631.26 and 971,161.25
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Solution
The fourth proportional to 1,706,242.86, 2,354,631.26 and 971,161.25 is: 1,340,211.69
Step by Step Solution
- Step 1: Write the proportion equation
1,706,242.86 : 2,354,631.26 = 971,161.25 : x - Step 2: Convert to fraction form
1,706,242.86/2,354,631.26 = 971,161.25/x - Step 3: Cross multiply
1,706,242.86x = 2,354,631.26 × 971,161.25 - Step 4: Simplify right side
1,706,242.86x = 2,286,726,621,121.71 - Step 5: Solve for x
x = 2,286,726,621,121.71/1,706,242.86 - Step 6: Final answer
x = 1,340,211.69
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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.