Finding the Fourth Proportional to 7,479,403.74, 11,207,689.47 and 4,440,785.94
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Solution
The fourth proportional to 7,479,403.74, 11,207,689.47 and 4,440,785.94 is: 6,654,400.74
Step by Step Solution
- Step 1: Write the proportion equation
7,479,403.74 : 11,207,689.47 = 4,440,785.94 : x - Step 2: Convert to fraction form
7,479,403.74/11,207,689.47 = 4,440,785.94/x - Step 3: Cross multiply
7,479,403.74x = 11,207,689.47 × 4,440,785.94 - Step 4: Simplify right side
7,479,403.74x = 49,770,949,818,262.06 - Step 5: Solve for x
x = 49,770,949,818,262.06/7,479,403.74 - Step 6: Final answer
x = 6,654,400.74
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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.