Finding the Fourth Proportional to 3,397,295.94, 4,688,268.43 and 1,869,403.07
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Solution
The fourth proportional to 3,397,295.94, 4,688,268.43 and 1,869,403.07 is: 2,579,776.25
Step by Step Solution
- Step 1: Write the proportion equation
3,397,295.94 : 4,688,268.43 = 1,869,403.07 : x - Step 2: Convert to fraction form
3,397,295.94/4,688,268.43 = 1,869,403.07/x - Step 3: Cross multiply
3,397,295.94x = 4,688,268.43 × 1,869,403.07 - Step 4: Simplify right side
3,397,295.94x = 8,764,263,367,911.23 - Step 5: Solve for x
x = 8,764,263,367,911.23/3,397,295.94 - Step 6: Final answer
x = 2,579,776.25
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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.