Finding the Fourth Proportional to 4,386,691.56, 6,578,117.51 and 2,081,845.19
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Solution
The fourth proportional to 4,386,691.56, 6,578,117.51 and 2,081,845.19 is: 3,121,856.67
Step by Step Solution
- Step 1: Write the proportion equation
4,386,691.56 : 6,578,117.51 = 2,081,845.19 : x - Step 2: Convert to fraction form
4,386,691.56/6,578,117.51 = 2,081,845.19/x - Step 3: Cross multiply
4,386,691.56x = 6,578,117.51 × 2,081,845.19 - Step 4: Simplify right side
4,386,691.56x = 13,694,622,297,448.28 - Step 5: Solve for x
x = 13,694,622,297,448.28/4,386,691.56 - Step 6: Final answer
x = 3,121,856.67
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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.