Finding the Fourth Proportional to 1,687,245.99, 2,328,390.02 and 912,874.85
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Solution
The fourth proportional to 1,687,245.99, 2,328,390.02 and 912,874.85 is: 1,259,762.18
Step by Step Solution
- Step 1: Write the proportion equation
1,687,245.99 : 2,328,390.02 = 912,874.85 : x - Step 2: Convert to fraction form
1,687,245.99/2,328,390.02 = 912,874.85/x - Step 3: Cross multiply
1,687,245.99x = 2,328,390.02 × 912,874.85 - Step 4: Simplify right side
1,687,245.99x = 2,125,528,690,249.00 - Step 5: Solve for x
x = 2,125,528,690,249.00/1,687,245.99 - Step 6: Final answer
x = 1,259,762.18
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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.