Finding the Fourth Proportional to 1,518,276.80, 2,277,415.20 and 959,787.20
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Solution
The fourth proportional to 1,518,276.80, 2,277,415.20 and 959,787.20 is: 1,439,680.80
Step by Step Solution
- Step 1: Write the proportion equation
1,518,276.80 : 2,277,415.20 = 959,787.20 : x - Step 2: Convert to fraction form
1,518,276.80/2,277,415.20 = 959,787.20/x - Step 3: Cross multiply
1,518,276.80x = 2,277,415.20 × 959,787.20 - Step 4: Simplify right side
1,518,276.80x = 2,185,833,958,045.44 - Step 5: Solve for x
x = 2,185,833,958,045.44/1,518,276.80 - Step 6: Final answer
x = 1,439,680.80
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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.