Finding the Fourth Proportional to 5,872,787.19, 8,809,162.97 and 1,612,959.21
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Solution
The fourth proportional to 5,872,787.19, 8,809,162.97 and 1,612,959.21 is: 2,419,433.92
Step by Step Solution
- Step 1: Write the proportion equation
5,872,787.19 : 8,809,162.97 = 1,612,959.21 : x - Step 2: Convert to fraction form
5,872,787.19/8,809,162.97 = 1,612,959.21/x - Step 3: Cross multiply
5,872,787.19x = 8,809,162.97 × 1,612,959.21 - Step 4: Simplify right side
5,872,787.19x = 14,208,820,536,787.66 - Step 5: Solve for x
x = 14,208,820,536,787.66/5,872,787.19 - Step 6: Final answer
x = 2,419,433.92
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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.