Finding the Fourth Proportional to 1,908,191.84, 2,862,729.92 and 628,753.50
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Solution
The fourth proportional to 1,908,191.84, 2,862,729.92 and 628,753.50 is: 943,275.95
Step by Step Solution
- Step 1: Write the proportion equation
1,908,191.84 : 2,862,729.92 = 628,753.50 : x - Step 2: Convert to fraction form
1,908,191.84/2,862,729.92 = 628,753.50/x - Step 3: Cross multiply
1,908,191.84x = 2,862,729.92 × 628,753.50 - Step 4: Simplify right side
1,908,191.84x = 1,799,951,464,346.19 - Step 5: Solve for x
x = 1,799,951,464,346.19/1,908,191.84 - Step 6: Final answer
x = 943,275.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.