Finding the Fourth Proportional to 5,620,343.09, 8,430,821.15 and 1,781,887.82
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Solution
The fourth proportional to 5,620,343.09, 8,430,821.15 and 1,781,887.82 is: 2,672,928.90
Step by Step Solution
- Step 1: Write the proportion equation
5,620,343.09 : 8,430,821.15 = 1,781,887.82 : x - Step 2: Convert to fraction form
5,620,343.09/8,430,821.15 = 1,781,887.82/x - Step 3: Cross multiply
5,620,343.09x = 8,430,821.15 × 1,781,887.82 - Step 4: Simplify right side
5,620,343.09x = 15,022,777,468,719.85 - Step 5: Solve for x
x = 15,022,777,468,719.85/5,620,343.09 - Step 6: Final answer
x = 2,672,928.90
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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.