Finding the Fourth Proportional to 1,763,921.28, 2,642,338.68 and 1,492,886.37
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Solution
The fourth proportional to 1,763,921.28, 2,642,338.68 and 1,492,886.37 is: 2,236,330.75
Step by Step Solution
- Step 1: Write the proportion equation
1,763,921.28 : 2,642,338.68 = 1,492,886.37 : x - Step 2: Convert to fraction form
1,763,921.28/2,642,338.68 = 1,492,886.37/x - Step 3: Cross multiply
1,763,921.28x = 2,642,338.68 × 1,492,886.37 - Step 4: Simplify right side
1,763,921.28x = 3,944,711,400,295.79 - Step 5: Solve for x
x = 3,944,711,400,295.79/1,763,921.28 - Step 6: Final answer
x = 2,236,330.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.