Finding the Fourth Proportional to 1,478,782.58, 2,218,566.86 and 467,922.50
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Solution
The fourth proportional to 1,478,782.58, 2,218,566.86 and 467,922.50 is: 702,008.09
Step by Step Solution
- Step 1: Write the proportion equation
1,478,782.58 : 2,218,566.86 = 467,922.50 : x - Step 2: Convert to fraction form
1,478,782.58/2,218,566.86 = 467,922.50/x - Step 3: Cross multiply
1,478,782.58x = 2,218,566.86 × 467,922.50 - Step 4: Simplify right side
1,478,782.58x = 1,038,117,338,115.90 - Step 5: Solve for x
x = 1,038,117,338,115.90/1,478,782.58 - Step 6: Final answer
x = 702,008.09
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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.