Finding the Fourth Proportional to 1,821,518.28, 2,732,408.64 and 699,587.28
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Solution
The fourth proportional to 1,821,518.28, 2,732,408.64 and 699,587.28 is: 1,049,431.32
Step by Step Solution
- Step 1: Write the proportion equation
1,821,518.28 : 2,732,408.64 = 699,587.28 : x - Step 2: Convert to fraction form
1,821,518.28/2,732,408.64 = 699,587.28/x - Step 3: Cross multiply
1,821,518.28x = 2,732,408.64 × 699,587.28 - Step 4: Simplify right side
1,821,518.28x = 1,911,558,328,306.10 - Step 5: Solve for x
x = 1,911,558,328,306.10/1,821,518.28 - Step 6: Final answer
x = 1,049,431.32
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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.