Finding the Fourth Proportional to 4,870,806.12, 6,717,270.84 and 4,182,261.96
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Solution
The fourth proportional to 4,870,806.12, 6,717,270.84 and 4,182,261.96 is: 5,767,707.77
Step by Step Solution
- Step 1: Write the proportion equation
4,870,806.12 : 6,717,270.84 = 4,182,261.96 : x - Step 2: Convert to fraction form
4,870,806.12/6,717,270.84 = 4,182,261.96/x - Step 3: Cross multiply
4,870,806.12x = 6,717,270.84 × 4,182,261.96 - Step 4: Simplify right side
4,870,806.12x = 28,093,386,309,149.25 - Step 5: Solve for x
x = 28,093,386,309,149.25/4,870,806.12 - Step 6: Final answer
x = 5,767,707.77
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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.