Finding the Fourth Proportional to 4,672,994.73, 7,009,435.68 and 1,214,428.05
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Solution
The fourth proportional to 4,672,994.73, 7,009,435.68 and 1,214,428.05 is: 1,821,627.41
Step by Step Solution
- Step 1: Write the proportion equation
4,672,994.73 : 7,009,435.68 = 1,214,428.05 : x - Step 2: Convert to fraction form
4,672,994.73/7,009,435.68 = 1,214,428.05/x - Step 3: Cross multiply
4,672,994.73x = 7,009,435.68 × 1,214,428.05 - Step 4: Simplify right side
4,672,994.73x = 8,512,455,304,462.82 - Step 5: Solve for x
x = 8,512,455,304,462.82/4,672,994.73 - Step 6: Final answer
x = 1,821,627.41
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.