Finding the Fourth Proportional to 1,630,912.38, 2,250,733.68 and 905,763.12
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Solution
The fourth proportional to 1,630,912.38, 2,250,733.68 and 905,763.12 is: 1,249,994.53
Step by Step Solution
- Step 1: Write the proportion equation
1,630,912.38 : 2,250,733.68 = 905,763.12 : x - Step 2: Convert to fraction form
1,630,912.38/2,250,733.68 = 905,763.12/x - Step 3: Cross multiply
1,630,912.38x = 2,250,733.68 × 905,763.12 - Step 4: Simplify right side
1,630,912.38x = 2,038,631,560,285.88 - Step 5: Solve for x
x = 2,038,631,560,285.88/1,630,912.38 - Step 6: Final answer
x = 1,249,994.53
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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.