Finding the Fourth Proportional to 3,466,582.98, 4,783,880.90 and 1,938,690.11
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Solution
The fourth proportional to 3,466,582.98, 4,783,880.90 and 1,938,690.11 is: 2,675,390.32
Step by Step Solution
- Step 1: Write the proportion equation
3,466,582.98 : 4,783,880.90 = 1,938,690.11 : x - Step 2: Convert to fraction form
3,466,582.98/4,783,880.90 = 1,938,690.11/x - Step 3: Cross multiply
3,466,582.98x = 4,783,880.90 × 1,938,690.11 - Step 4: Simplify right side
3,466,582.98x = 9,274,462,554,635.04 - Step 5: Solve for x
x = 9,274,462,554,635.04/3,466,582.98 - Step 6: Final answer
x = 2,675,390.32
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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.