Finding the Fourth Proportional to 4,869,259.39, 6,718,993.66 and 2,804,950.09
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Solution
The fourth proportional to 4,869,259.39, 6,718,993.66 and 2,804,950.09 is: 3,870,494.53
Step by Step Solution
- Step 1: Write the proportion equation
4,869,259.39 : 6,718,993.66 = 2,804,950.09 : x - Step 2: Convert to fraction form
4,869,259.39/6,718,993.66 = 2,804,950.09/x - Step 3: Cross multiply
4,869,259.39x = 6,718,993.66 × 2,804,950.09 - Step 4: Simplify right side
4,869,259.39x = 18,846,441,847,516.57 - Step 5: Solve for x
x = 18,846,441,847,516.57/4,869,259.39 - Step 6: Final answer
x = 3,870,494.53
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1.5x scale
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.