Finding the Fourth Proportional to 3,870,195.04, 5,340,932.88 and 2,127,938.08
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Solution
The fourth proportional to 3,870,195.04, 5,340,932.88 and 2,127,938.08 is: 2,936,589.59
Step by Step Solution
- Step 1: Write the proportion equation
3,870,195.04 : 5,340,932.88 = 2,127,938.08 : x - Step 2: Convert to fraction form
3,870,195.04/5,340,932.88 = 2,127,938.08/x - Step 3: Cross multiply
3,870,195.04x = 5,340,932.88 × 2,127,938.08 - Step 4: Simplify right side
3,870,195.04x = 11,365,174,458,076.07 - Step 5: Solve for x
x = 11,365,174,458,076.07/3,870,195.04 - Step 6: Final answer
x = 2,936,589.59
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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.