Finding the Fourth Proportional to 1,449,402.11, 2,173,210.22 and 489,767.05
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Solution
The fourth proportional to 1,449,402.11, 2,173,210.22 and 489,767.05 is: 734,348.85
Step by Step Solution
- Step 1: Write the proportion equation
1,449,402.11 : 2,173,210.22 = 489,767.05 : x - Step 2: Convert to fraction form
1,449,402.11/2,173,210.22 = 489,767.05/x - Step 3: Cross multiply
1,449,402.11x = 2,173,210.22 × 489,767.05 - Step 4: Simplify right side
1,449,402.11x = 1,064,366,763,595.75 - Step 5: Solve for x
x = 1,064,366,763,595.75/1,449,402.11 - Step 6: Final answer
x = 734,348.85
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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.