Finding the Fourth Proportional to 4,219,834.09, 6,329,751.21 and 1,024,938.74
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Solution
The fourth proportional to 4,219,834.09, 6,329,751.21 and 1,024,938.74 is: 1,537,408.12
Step by Step Solution
- Step 1: Write the proportion equation
4,219,834.09 : 6,329,751.21 = 1,024,938.74 : x - Step 2: Convert to fraction form
4,219,834.09/6,329,751.21 = 1,024,938.74/x - Step 3: Cross multiply
4,219,834.09x = 6,329,751.21 × 1,024,938.74 - Step 4: Simplify right side
4,219,834.09x = 6,487,607,198,042.12 - Step 5: Solve for x
x = 6,487,607,198,042.12/4,219,834.09 - Step 6: Final answer
x = 1,537,408.12
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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.