Finding the Fourth Proportional to 1,806,577.20, 2,493,108.51 and 990,773.76
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Solution
The fourth proportional to 1,806,577.20, 2,493,108.51 and 990,773.76 is: 1,367,285.32
Step by Step Solution
- Step 1: Write the proportion equation
1,806,577.20 : 2,493,108.51 = 990,773.76 : x - Step 2: Convert to fraction form
1,806,577.20/2,493,108.51 = 990,773.76/x - Step 3: Cross multiply
1,806,577.20x = 2,493,108.51 × 990,773.76 - Step 4: Simplify right side
1,806,577.20x = 2,470,106,492,540.70 - Step 5: Solve for x
x = 2,470,106,492,540.70/1,806,577.20 - Step 6: Final answer
x = 1,367,285.32
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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.