Finding the Fourth Proportional to 5,177,406.24, 7,145,326.08 and 3,868,386.84
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Solution
The fourth proportional to 5,177,406.24, 7,145,326.08 and 3,868,386.84 is: 5,338,751.51
Step by Step Solution
- Step 1: Write the proportion equation
5,177,406.24 : 7,145,326.08 = 3,868,386.84 : x - Step 2: Convert to fraction form
5,177,406.24/7,145,326.08 = 3,868,386.84/x - Step 3: Cross multiply
5,177,406.24x = 7,145,326.08 × 3,868,386.84 - Step 4: Simplify right side
5,177,406.24x = 27,640,885,375,380.79 - Step 5: Solve for x
x = 27,640,885,375,380.79/5,177,406.24 - Step 6: Final answer
x = 5,338,751.51
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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.