Finding the Fourth Proportional to 1,895,021.12, 2,615,163.36 and 1,035,617.60
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Solution
The fourth proportional to 1,895,021.12, 2,615,163.36 and 1,035,617.60 is: 1,429,170.99
Step by Step Solution
- Step 1: Write the proportion equation
1,895,021.12 : 2,615,163.36 = 1,035,617.60 : x - Step 2: Convert to fraction form
1,895,021.12/2,615,163.36 = 1,035,617.60/x - Step 3: Cross multiply
1,895,021.12x = 2,615,163.36 × 1,035,617.60 - Step 4: Simplify right side
1,895,021.12x = 2,708,309,202,491.14 - Step 5: Solve for x
x = 2,708,309,202,491.14/1,895,021.12 - Step 6: Final answer
x = 1,429,170.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.