Finding the Fourth Proportional to 4,458,787.76, 6,153,138.93 and 2,623,315.20
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Solution
The fourth proportional to 4,458,787.76, 6,153,138.93 and 2,623,315.20 is: 3,620,181.94
Step by Step Solution
- Step 1: Write the proportion equation
4,458,787.76 : 6,153,138.93 = 2,623,315.20 : x - Step 2: Convert to fraction form
4,458,787.76/6,153,138.93 = 2,623,315.20/x - Step 3: Cross multiply
4,458,787.76x = 6,153,138.93 × 2,623,315.20 - Step 4: Simplify right side
4,458,787.76x = 16,141,622,882,780.74 - Step 5: Solve for x
x = 16,141,622,882,780.74/4,458,787.76 - Step 6: Final answer
x = 3,620,181.94
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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.