Finding the Fourth Proportional to 1,512,283.21, 2,087,722.30 and 1,024,827.95
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Solution
The fourth proportional to 1,512,283.21, 2,087,722.30 and 1,024,827.95 is: 1,414,785.37
Step by Step Solution
- Step 1: Write the proportion equation
1,512,283.21 : 2,087,722.30 = 1,024,827.95 : x - Step 2: Convert to fraction form
1,512,283.21/2,087,722.30 = 1,024,827.95/x - Step 3: Cross multiply
1,512,283.21x = 2,087,722.30 × 1,024,827.95 - Step 4: Simplify right side
1,512,283.21x = 2,139,556,157,713.64 - Step 5: Solve for x
x = 2,139,556,157,713.64/1,512,283.21 - Step 6: Final answer
x = 1,414,785.37
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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.