Finding the Fourth Proportional to 4,321,403.12, 5,963,376.12 and 2,387,622.08
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Solution
The fourth proportional to 4,321,403.12, 5,963,376.12 and 2,387,622.08 is: 3,294,829.97
Step by Step Solution
- Step 1: Write the proportion equation
4,321,403.12 : 5,963,376.12 = 2,387,622.08 : x - Step 2: Convert to fraction form
4,321,403.12/5,963,376.12 = 2,387,622.08/x - Step 3: Cross multiply
4,321,403.12x = 5,963,376.12 × 2,387,622.08 - Step 4: Simplify right side
4,321,403.12x = 14,238,288,495,456.73 - Step 5: Solve for x
x = 14,238,288,495,456.73/4,321,403.12 - Step 6: Final answer
x = 3,294,829.97
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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.