Finding the Fourth Proportional to 2,273,445.36, 3,137,155.92 and 1,456,207.20
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Solution
The fourth proportional to 2,273,445.36, 3,137,155.92 and 1,456,207.20 is: 2,009,438.68
Step by Step Solution
- Step 1: Write the proportion equation
2,273,445.36 : 3,137,155.92 = 1,456,207.20 : x - Step 2: Convert to fraction form
2,273,445.36/3,137,155.92 = 1,456,207.20/x - Step 3: Cross multiply
2,273,445.36x = 3,137,155.92 × 1,456,207.20 - Step 4: Simplify right side
2,273,445.36x = 4,568,349,038,226.62 - Step 5: Solve for x
x = 4,568,349,038,226.62/2,273,445.36 - Step 6: Final answer
x = 2,009,438.68
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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.