Finding the Fourth Proportional to 1,412,746.54, 2,119,120.02 and 415,474.54
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Solution
The fourth proportional to 1,412,746.54, 2,119,120.02 and 415,474.54 is: 623,211.87
Step by Step Solution
- Step 1: Write the proportion equation
1,412,746.54 : 2,119,120.02 = 415,474.54 : x - Step 2: Convert to fraction form
1,412,746.54/2,119,120.02 = 415,474.54/x - Step 3: Cross multiply
1,412,746.54x = 2,119,120.02 × 415,474.54 - Step 4: Simplify right side
1,412,746.54x = 880,440,415,514.29 - Step 5: Solve for x
x = 880,440,415,514.29/1,412,746.54 - Step 6: Final answer
x = 623,211.87
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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.