Finding the Fourth Proportional to 2,948,390.79, 4,422,610.80 and 818,640.99
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Solution
The fourth proportional to 2,948,390.79, 4,422,610.80 and 818,640.99 is: 1,227,968.32
Step by Step Solution
- Step 1: Write the proportion equation
2,948,390.79 : 4,422,610.80 = 818,640.99 : x - Step 2: Convert to fraction form
2,948,390.79/4,422,610.80 = 818,640.99/x - Step 3: Cross multiply
2,948,390.79x = 4,422,610.80 × 818,640.99 - Step 4: Simplify right side
2,948,390.79x = 3,620,530,483,696.69 - Step 5: Solve for x
x = 3,620,530,483,696.69/2,948,390.79 - Step 6: Final answer
x = 1,227,968.32
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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.