Finding the Fourth Proportional to 1,531,715.13, 2,113,749.07 and 843,372.68
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Solution
The fourth proportional to 1,531,715.13, 2,113,749.07 and 843,372.68 is: 1,163,844.48
Step by Step Solution
- Step 1: Write the proportion equation
1,531,715.13 : 2,113,749.07 = 843,372.68 : x - Step 2: Convert to fraction form
1,531,715.13/2,113,749.07 = 843,372.68/x - Step 3: Cross multiply
1,531,715.13x = 2,113,749.07 × 843,372.68 - Step 4: Simplify right side
1,531,715.13x = 1,782,678,205,336.23 - Step 5: Solve for x
x = 1,782,678,205,336.23/1,531,715.13 - Step 6: Final answer
x = 1,163,844.48
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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.