Finding the Fourth Proportional to 2,169,480.10, 2,993,906.85 and 1,239,310.99
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Solution
The fourth proportional to 2,169,480.10, 2,993,906.85 and 1,239,310.99 is: 1,710,263.06
Step by Step Solution
- Step 1: Write the proportion equation
2,169,480.10 : 2,993,906.85 = 1,239,310.99 : x - Step 2: Convert to fraction form
2,169,480.10/2,993,906.85 = 1,239,310.99/x - Step 3: Cross multiply
2,169,480.10x = 2,993,906.85 × 1,239,310.99 - Step 4: Simplify right side
2,169,480.10x = 3,710,381,656,044.73 - Step 5: Solve for x
x = 3,710,381,656,044.73/2,169,480.10 - Step 6: Final answer
x = 1,710,263.06
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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.