Finding the Fourth Proportional to 4,812,373.74, 6,641,077.37 and 2,636,899.23
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Solution
The fourth proportional to 4,812,373.74, 6,641,077.37 and 2,636,899.23 is: 3,638,921.82
Step by Step Solution
- Step 1: Write the proportion equation
4,812,373.74 : 6,641,077.37 = 2,636,899.23 : x - Step 2: Convert to fraction form
4,812,373.74/6,641,077.37 = 2,636,899.23/x - Step 3: Cross multiply
4,812,373.74x = 6,641,077.37 × 2,636,899.23 - Step 4: Simplify right side
4,812,373.74x = 17,511,851,790,138.93 - Step 5: Solve for x
x = 17,511,851,790,138.93/4,812,373.74 - Step 6: Final answer
x = 3,638,921.82
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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.