Finding the Fourth Proportional to 1,480,738.14, 2,221,242.76 and 415,773.03
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Solution
The fourth proportional to 1,480,738.14, 2,221,242.76 and 415,773.03 is: 623,697.61
Step by Step Solution
- Step 1: Write the proportion equation
1,480,738.14 : 2,221,242.76 = 415,773.03 : x - Step 2: Convert to fraction form
1,480,738.14/2,221,242.76 = 415,773.03/x - Step 3: Cross multiply
1,480,738.14x = 2,221,242.76 × 415,773.03 - Step 4: Simplify right side
1,480,738.14x = 923,532,832,690.76 - Step 5: Solve for x
x = 923,532,832,690.76/1,480,738.14 - Step 6: Final answer
x = 623,697.61
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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.