Finding the Fourth Proportional to 3,805,938.17, 5,708,620.14 and 1,212,138.14
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Solution
The fourth proportional to 3,805,938.17, 5,708,620.14 and 1,212,138.14 is: 1,818,115.77
Step by Step Solution
- Step 1: Write the proportion equation
3,805,938.17 : 5,708,620.14 = 1,212,138.14 : x - Step 2: Convert to fraction form
3,805,938.17/5,708,620.14 = 1,212,138.14/x - Step 3: Cross multiply
3,805,938.17x = 5,708,620.14 × 1,212,138.14 - Step 4: Simplify right side
3,805,938.17x = 6,919,636,198,466.14 - Step 5: Solve for x
x = 6,919,636,198,466.14/3,805,938.17 - Step 6: Final answer
x = 1,818,115.77
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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.