Finding the Fourth Proportional to 3,060,653.84, 4,223,737.77 and 1,753,880.03
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Solution
The fourth proportional to 3,060,653.84, 4,223,737.77 and 1,753,880.03 is: 2,420,374.77
Step by Step Solution
- Step 1: Write the proportion equation
3,060,653.84 : 4,223,737.77 = 1,753,880.03 : x - Step 2: Convert to fraction form
3,060,653.84/4,223,737.77 = 1,753,880.03/x - Step 3: Cross multiply
3,060,653.84x = 4,223,737.77 × 1,753,880.03 - Step 4: Simplify right side
3,060,653.84x = 7,407,929,326,759.73 - Step 5: Solve for x
x = 7,407,929,326,759.73/3,060,653.84 - Step 6: Final answer
x = 2,420,374.77
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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.