Finding the Fourth Proportional to 2,882,634.78, 3,977,911.97 and 1,575,861.95
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Solution
The fourth proportional to 2,882,634.78, 3,977,911.97 and 1,575,861.95 is: 2,174,621.69
Step by Step Solution
- Step 1: Write the proportion equation
2,882,634.78 : 3,977,911.97 = 1,575,861.95 : x - Step 2: Convert to fraction form
2,882,634.78/3,977,911.97 = 1,575,861.95/x - Step 3: Cross multiply
2,882,634.78x = 3,977,911.97 × 1,575,861.95 - Step 4: Simplify right side
2,882,634.78x = 6,268,640,127,856.98 - Step 5: Solve for x
x = 6,268,640,127,856.98/2,882,634.78 - Step 6: Final answer
x = 2,174,621.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.