Finding the Fourth Proportional to 4,319,537.78, 6,479,694.06 and 1,124,691.64
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Solution
The fourth proportional to 4,319,537.78, 6,479,694.06 and 1,124,691.64 is: 1,687,138.32
Step by Step Solution
- Step 1: Write the proportion equation
4,319,537.78 : 6,479,694.06 = 1,124,691.64 : x - Step 2: Convert to fraction form
4,319,537.78/6,479,694.06 = 1,124,691.64/x - Step 3: Cross multiply
4,319,537.78x = 6,479,694.06 × 1,124,691.64 - Step 4: Simplify right side
4,319,537.78x = 7,287,657,718,622.83 - Step 5: Solve for x
x = 7,287,657,718,622.83/4,319,537.78 - Step 6: Final answer
x = 1,687,138.32
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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.