Finding the Fourth Proportional to 1,579,178.20, 2,368,236.86 and 513,969.74
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Solution
The fourth proportional to 1,579,178.20, 2,368,236.86 and 513,969.74 is: 770,781.97
Step by Step Solution
- Step 1: Write the proportion equation
1,579,178.20 : 2,368,236.86 = 513,969.74 : x - Step 2: Convert to fraction form
1,579,178.20/2,368,236.86 = 513,969.74/x - Step 3: Cross multiply
1,579,178.20x = 2,368,236.86 × 513,969.74 - Step 4: Simplify right side
1,579,178.20x = 1,217,202,083,192.62 - Step 5: Solve for x
x = 1,217,202,083,192.62/1,579,178.20 - Step 6: Final answer
x = 770,781.97
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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.