Finding the Fourth Proportional to 4,025,410.96, 5,557,368.36 and 2,669,126.80
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Solution
The fourth proportional to 4,025,410.96, 5,557,368.36 and 2,669,126.80 is: 3,684,920.86
Step by Step Solution
- Step 1: Write the proportion equation
4,025,410.96 : 5,557,368.36 = 2,669,126.80 : x - Step 2: Convert to fraction form
4,025,410.96/5,557,368.36 = 2,669,126.80/x - Step 3: Cross multiply
4,025,410.96x = 5,557,368.36 × 2,669,126.80 - Step 4: Simplify right side
4,025,410.96x = 14,833,320,827,148.05 - Step 5: Solve for x
x = 14,833,320,827,148.05/4,025,410.96 - Step 6: Final answer
x = 3,684,920.86
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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.