Finding the Fourth Proportional to 6,432,815.87, 9,641,746.43 and 2,386,722.90
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Solution
The fourth proportional to 6,432,815.87, 9,641,746.43 and 2,386,722.90 is: 3,577,310.07
Step by Step Solution
- Step 1: Write the proportion equation
6,432,815.87 : 9,641,746.43 = 2,386,722.90 : x - Step 2: Convert to fraction form
6,432,815.87/9,641,746.43 = 2,386,722.90/x - Step 3: Cross multiply
6,432,815.87x = 9,641,746.43 × 2,386,722.90 - Step 4: Simplify right side
6,432,815.87x = 23,012,176,988,540.63 - Step 5: Solve for x
x = 23,012,176,988,540.63/6,432,815.87 - Step 6: Final answer
x = 3,577,310.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.