Finding the Fourth Proportional to 1,686,035.19, 2,529,883.16 and 787,346.31
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Solution
The fourth proportional to 1,686,035.19, 2,529,883.16 and 787,346.31 is: 1,181,407.23
Step by Step Solution
- Step 1: Write the proportion equation
1,686,035.19 : 2,529,883.16 = 787,346.31 : x - Step 2: Convert to fraction form
1,686,035.19/2,529,883.16 = 787,346.31/x - Step 3: Cross multiply
1,686,035.19x = 2,529,883.16 × 787,346.31 - Step 4: Simplify right side
1,686,035.19x = 1,991,894,170,757.14 - Step 5: Solve for x
x = 1,991,894,170,757.14/1,686,035.19 - Step 6: Final answer
x = 1,181,407.23
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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.