Finding the Fourth Proportional to 4,903,916.39, 6,767,728.03 and 2,728,464.05
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Solution
The fourth proportional to 4,903,916.39, 6,767,728.03 and 2,728,464.05 is: 3,765,460.34
Step by Step Solution
- Step 1: Write the proportion equation
4,903,916.39 : 6,767,728.03 = 2,728,464.05 : x - Step 2: Convert to fraction form
4,903,916.39/6,767,728.03 = 2,728,464.05/x - Step 3: Cross multiply
4,903,916.39x = 6,767,728.03 × 2,728,464.05 - Step 4: Simplify right side
4,903,916.39x = 18,465,502,650,362.22 - Step 5: Solve for x
x = 18,465,502,650,362.22/4,903,916.39 - Step 6: Final answer
x = 3,765,460.34
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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.