Finding the Fourth Proportional to 1,562,049.84, 2,154,992.67 and 1,017,987.42
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Solution
The fourth proportional to 1,562,049.84, 2,154,992.67 and 1,017,987.42 is: 1,404,408.09
Step by Step Solution
- Step 1: Write the proportion equation
1,562,049.84 : 2,154,992.67 = 1,017,987.42 : x - Step 2: Convert to fraction form
1,562,049.84/2,154,992.67 = 1,017,987.42/x - Step 3: Cross multiply
1,562,049.84x = 2,154,992.67 × 1,017,987.42 - Step 4: Simplify right side
1,562,049.84x = 2,193,755,428,252.21 - Step 5: Solve for x
x = 2,193,755,428,252.21/1,562,049.84 - Step 6: Final answer
x = 1,404,408.09
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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.