Finding the Fourth Proportional to 2,285,628.28, 3,154,195.74 and 1,318,959.16
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Solution
The fourth proportional to 2,285,628.28, 3,154,195.74 and 1,318,959.16 is: 1,820,180.21
Step by Step Solution
- Step 1: Write the proportion equation
2,285,628.28 : 3,154,195.74 = 1,318,959.16 : x - Step 2: Convert to fraction form
2,285,628.28/3,154,195.74 = 1,318,959.16/x - Step 3: Cross multiply
2,285,628.28x = 3,154,195.74 × 1,318,959.16 - Step 4: Simplify right side
2,285,628.28x = 4,160,255,363,705.98 - Step 5: Solve for x
x = 4,160,255,363,705.98/2,285,628.28 - Step 6: Final answer
x = 1,820,180.21
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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.