Finding the Fourth Proportional to 1,681,155.24, 2,519,631.42 and 1,080,517.80
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Solution
The fourth proportional to 1,681,155.24, 2,519,631.42 and 1,080,517.80 is: 1,619,426.06
Step by Step Solution
- Step 1: Write the proportion equation
1,681,155.24 : 2,519,631.42 = 1,080,517.80 : x - Step 2: Convert to fraction form
1,681,155.24/2,519,631.42 = 1,080,517.80/x - Step 3: Cross multiply
1,681,155.24x = 2,519,631.42 × 1,080,517.80 - Step 4: Simplify right side
1,681,155.24x = 2,722,506,598,749.28 - Step 5: Solve for x
x = 2,722,506,598,749.28/1,681,155.24 - Step 6: Final answer
x = 1,619,426.06
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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.