Finding the Fourth Proportional to 6,421,568.06, 9,633,959.54 and 1,872,617.36
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Solution
The fourth proportional to 6,421,568.06, 9,633,959.54 and 1,872,617.36 is: 2,809,394.79
Step by Step Solution
- Step 1: Write the proportion equation
6,421,568.06 : 9,633,959.54 = 1,872,617.36 : x - Step 2: Convert to fraction form
6,421,568.06/9,633,959.54 = 1,872,617.36/x - Step 3: Cross multiply
6,421,568.06x = 9,633,959.54 × 1,872,617.36 - Step 4: Simplify right side
6,421,568.06x = 18,040,719,822,608.73 - Step 5: Solve for x
x = 18,040,719,822,608.73/6,421,568.06 - Step 6: Final answer
x = 2,809,394.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.