Finding the Fourth Proportional to 3,203,977.84, 4,423,629.95 and 1,897,649.94
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Solution
The fourth proportional to 3,203,977.84, 4,423,629.95 and 1,897,649.94 is: 2,620,024.71
Step by Step Solution
- Step 1: Write the proportion equation
3,203,977.84 : 4,423,629.95 = 1,897,649.94 : x - Step 2: Convert to fraction form
3,203,977.84/4,423,629.95 = 1,897,649.94/x - Step 3: Cross multiply
3,203,977.84x = 4,423,629.95 × 1,897,649.94 - Step 4: Simplify right side
3,203,977.84x = 8,394,501,109,199.70 - Step 5: Solve for x
x = 8,394,501,109,199.70/3,203,977.84 - Step 6: Final answer
x = 2,620,024.71
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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.