Finding the Fourth Proportional to 1,996,343.60, 2,994,515.40 and 1,842,378.80
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Solution
The fourth proportional to 1,996,343.60, 2,994,515.40 and 1,842,378.80 is: 2,763,568.20
Step by Step Solution
- Step 1: Write the proportion equation
1,996,343.60 : 2,994,515.40 = 1,842,378.80 : x - Step 2: Convert to fraction form
1,996,343.60/2,994,515.40 = 1,842,378.80/x - Step 3: Cross multiply
1,996,343.60x = 2,994,515.40 × 1,842,378.80 - Step 4: Simplify right side
1,996,343.60x = 5,517,031,689,233.52 - Step 5: Solve for x
x = 5,517,031,689,233.52/1,996,343.60 - Step 6: Final answer
x = 2,763,568.20
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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.