Finding the Fourth Proportional to 4,985,203.56, 6,879,585.78 and 2,693,366.07
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Solution
The fourth proportional to 4,985,203.56, 6,879,585.78 and 2,693,366.07 is: 3,716,847.81
Step by Step Solution
- Step 1: Write the proportion equation
4,985,203.56 : 6,879,585.78 = 2,693,366.07 : x - Step 2: Convert to fraction form
4,985,203.56/6,879,585.78 = 2,693,366.07/x - Step 3: Cross multiply
4,985,203.56x = 6,879,585.78 × 2,693,366.07 - Step 4: Simplify right side
4,985,203.56x = 18,529,242,915,506.48 - Step 5: Solve for x
x = 18,529,242,915,506.48/4,985,203.56 - Step 6: Final answer
x = 3,716,847.81
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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.