Finding the Fourth Proportional to 5,417,850.17, 7,476,938.67 and 3,214,017.76
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Solution
The fourth proportional to 5,417,850.17, 7,476,938.67 and 3,214,017.76 is: 4,435,525.70
Step by Step Solution
- Step 1: Write the proportion equation
5,417,850.17 : 7,476,938.67 = 3,214,017.76 : x - Step 2: Convert to fraction form
5,417,850.17/7,476,938.67 = 3,214,017.76/x - Step 3: Cross multiply
5,417,850.17x = 7,476,938.67 × 3,214,017.76 - Step 4: Simplify right side
5,417,850.17x = 24,031,013,675,810.78 - Step 5: Solve for x
x = 24,031,013,675,810.78/5,417,850.17 - Step 6: Final answer
x = 4,435,525.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.