Finding the Fourth Proportional to 1,668,684.70, 2,503,027.05 and 828,876.70
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Solution
The fourth proportional to 1,668,684.70, 2,503,027.05 and 828,876.70 is: 1,243,315.05
Step by Step Solution
- Step 1: Write the proportion equation
1,668,684.70 : 2,503,027.05 = 828,876.70 : x - Step 2: Convert to fraction form
1,668,684.70/2,503,027.05 = 828,876.70/x - Step 3: Cross multiply
1,668,684.70x = 2,503,027.05 × 828,876.70 - Step 4: Simplify right side
1,668,684.70x = 2,074,700,801,214.73 - Step 5: Solve for x
x = 2,074,700,801,214.73/1,668,684.70 - Step 6: Final answer
x = 1,243,315.05
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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.