Finding the Fourth Proportional to 3,559,974.74, 4,912,788.72 and 1,928,382.08
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Solution
The fourth proportional to 3,559,974.74, 4,912,788.72 and 1,928,382.08 is: 2,661,180.05
Step by Step Solution
- Step 1: Write the proportion equation
3,559,974.74 : 4,912,788.72 = 1,928,382.08 : x - Step 2: Convert to fraction form
3,559,974.74/4,912,788.72 = 1,928,382.08/x - Step 3: Cross multiply
3,559,974.74x = 4,912,788.72 × 1,928,382.08 - Step 4: Simplify right side
3,559,974.74x = 9,473,733,730,474.14 - Step 5: Solve for x
x = 9,473,733,730,474.14/3,559,974.74 - Step 6: Final answer
x = 2,661,180.05
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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.