Finding the Fourth Proportional to 1,983,946.95, 2,735,238.92 and 1,432,197.63
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Solution
The fourth proportional to 1,983,946.95, 2,735,238.92 and 1,432,197.63 is: 1,974,550.12
Step by Step Solution
- Step 1: Write the proportion equation
1,983,946.95 : 2,735,238.92 = 1,432,197.63 : x - Step 2: Convert to fraction form
1,983,946.95/2,735,238.92 = 1,432,197.63/x - Step 3: Cross multiply
1,983,946.95x = 2,735,238.92 × 1,432,197.63 - Step 4: Simplify right side
1,983,946.95x = 3,917,402,691,546.77 - Step 5: Solve for x
x = 3,917,402,691,546.77/1,983,946.95 - Step 6: Final answer
x = 1,974,550.12
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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.