Finding the Fourth Proportional to 1,815,762.28, 2,503,893.54 and 1,203,702.12
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Solution
The fourth proportional to 1,815,762.28, 2,503,893.54 and 1,203,702.12 is: 1,659,876.95
Step by Step Solution
- Step 1: Write the proportion equation
1,815,762.28 : 2,503,893.54 = 1,203,702.12 : x - Step 2: Convert to fraction form
1,815,762.28/2,503,893.54 = 1,203,702.12/x - Step 3: Cross multiply
1,815,762.28x = 2,503,893.54 × 1,203,702.12 - Step 4: Simplify right side
1,815,762.28x = 3,013,941,962,352.31 - Step 5: Solve for x
x = 3,013,941,962,352.31/1,815,762.28 - Step 6: Final answer
x = 1,659,876.95
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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.