Finding the Fourth Proportional to 2,852,821.80, 4,278,195.90 and 1,432,405.80
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Solution
The fourth proportional to 2,852,821.80, 4,278,195.90 and 1,432,405.80 is: 2,148,088.12
Step by Step Solution
- Step 1: Write the proportion equation
2,852,821.80 : 4,278,195.90 = 1,432,405.80 : x - Step 2: Convert to fraction form
2,852,821.80/4,278,195.90 = 1,432,405.80/x - Step 3: Cross multiply
2,852,821.80x = 4,278,195.90 × 1,432,405.80 - Step 4: Simplify right side
2,852,821.80x = 6,128,112,620,696.22 - Step 5: Solve for x
x = 6,128,112,620,696.22/2,852,821.80 - Step 6: Final answer
x = 2,148,088.12
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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.