Finding the Fourth Proportional to 4,115,964.29, 5,679,957.07 and 2,280,385.76
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Solution
The fourth proportional to 4,115,964.29, 5,679,957.07 and 2,280,385.76 is: 3,146,891.54
Step by Step Solution
- Step 1: Write the proportion equation
4,115,964.29 : 5,679,957.07 = 2,280,385.76 : x - Step 2: Convert to fraction form
4,115,964.29/5,679,957.07 = 2,280,385.76/x - Step 3: Cross multiply
4,115,964.29x = 5,679,957.07 × 2,280,385.76 - Step 4: Simplify right side
4,115,964.29x = 12,952,493,219,839.32 - Step 5: Solve for x
x = 12,952,493,219,839.32/4,115,964.29 - Step 6: Final answer
x = 3,146,891.54
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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.