Finding the Fourth Proportional to 1,518,809.19, 2,278,216.01 and 620,250.94
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Solution
The fourth proportional to 1,518,809.19, 2,278,216.01 and 620,250.94 is: 930,377.32
Step by Step Solution
- Step 1: Write the proportion equation
1,518,809.19 : 2,278,216.01 = 620,250.94 : x - Step 2: Convert to fraction form
1,518,809.19/2,278,216.01 = 620,250.94/x - Step 3: Cross multiply
1,518,809.19x = 2,278,216.01 × 620,250.94 - Step 4: Simplify right side
1,518,809.19x = 1,413,065,621,725.55 - Step 5: Solve for x
x = 1,413,065,621,725.55/1,518,809.19 - Step 6: Final answer
x = 930,377.32
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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.