Finding the Fourth Proportional to 1,418,005.24, 2,127,879.01 and 744,569.62
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Solution
The fourth proportional to 1,418,005.24, 2,127,879.01 and 744,569.62 is: 1,117,311.85
Step by Step Solution
- Step 1: Write the proportion equation
1,418,005.24 : 2,127,879.01 = 744,569.62 : x - Step 2: Convert to fraction form
1,418,005.24/2,127,879.01 = 744,569.62/x - Step 3: Cross multiply
1,418,005.24x = 2,127,879.01 × 744,569.62 - Step 4: Simplify right side
1,418,005.24x = 1,584,354,061,492.69 - Step 5: Solve for x
x = 1,584,354,061,492.69/1,418,005.24 - Step 6: Final answer
x = 1,117,311.85
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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.