Finding the Fourth Proportional to 4,633,512.30, 6,950,268.45 and 1,438,961.40
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Solution
The fourth proportional to 4,633,512.30, 6,950,268.45 and 1,438,961.40 is: 2,158,442.10
Step by Step Solution
- Step 1: Write the proportion equation
4,633,512.30 : 6,950,268.45 = 1,438,961.40 : x - Step 2: Convert to fraction form
4,633,512.30/6,950,268.45 = 1,438,961.40/x - Step 3: Cross multiply
4,633,512.30x = 6,950,268.45 × 1,438,961.40 - Step 4: Simplify right side
4,633,512.30x = 10,001,168,019,187.83 - Step 5: Solve for x
x = 10,001,168,019,187.83/4,633,512.30 - Step 6: Final answer
x = 2,158,442.10
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.