Finding the Fourth Proportional to 1,449,483.33, 2,173,865.70 and 489,917.62
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Solution
The fourth proportional to 1,449,483.33, 2,173,865.70 and 489,917.62 is: 734,754.99
Step by Step Solution
- Step 1: Write the proportion equation
1,449,483.33 : 2,173,865.70 = 489,917.62 : x - Step 2: Convert to fraction form
1,449,483.33/2,173,865.70 = 489,917.62/x - Step 3: Cross multiply
1,449,483.33x = 2,173,865.70 × 489,917.62 - Step 4: Simplify right side
1,449,483.33x = 1,065,015,104,508.97 - Step 5: Solve for x
x = 1,065,015,104,508.97/1,449,483.33 - Step 6: Final answer
x = 734,754.99
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1.5x scale
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.