Finding the Fourth Proportional to 1,480,891.68, 2,221,420.59 and 415,850.69
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Solution
The fourth proportional to 1,480,891.68, 2,221,420.59 and 415,850.69 is: 623,799.36
Step by Step Solution
- Step 1: Write the proportion equation
1,480,891.68 : 2,221,420.59 = 415,850.69 : x - Step 2: Convert to fraction form
1,480,891.68/2,221,420.59 = 415,850.69/x - Step 3: Cross multiply
1,480,891.68x = 2,221,420.59 × 415,850.69 - Step 4: Simplify right side
1,480,891.68x = 923,779,285,131.71 - Step 5: Solve for x
x = 923,779,285,131.71/1,480,891.68 - Step 6: Final answer
x = 623,799.36
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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.