Finding the Fourth Proportional to 3,581,116.58, 5,368,434.35 and 1,306,107.60
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Solution
The fourth proportional to 3,581,116.58, 5,368,434.35 and 1,306,107.60 is: 1,957,979.52
Step by Step Solution
- Step 1: Write the proportion equation
3,581,116.58 : 5,368,434.35 = 1,306,107.60 : x - Step 2: Convert to fraction form
3,581,116.58/5,368,434.35 = 1,306,107.60/x - Step 3: Cross multiply
3,581,116.58x = 5,368,434.35 × 1,306,107.60 - Step 4: Simplify right side
3,581,116.58x = 7,011,752,904,636.06 - Step 5: Solve for x
x = 7,011,752,904,636.06/3,581,116.58 - Step 6: Final answer
x = 1,957,979.52
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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.