Finding the Fourth Proportional to 5,370,399.97, 7,411,182.78 and 2,923,005.18
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Solution
The fourth proportional to 5,370,399.97, 7,411,182.78 and 2,923,005.18 is: 4,033,763.92
Step by Step Solution
- Step 1: Write the proportion equation
5,370,399.97 : 7,411,182.78 = 2,923,005.18 : x - Step 2: Convert to fraction form
5,370,399.97/7,411,182.78 = 2,923,005.18/x - Step 3: Cross multiply
5,370,399.97x = 7,411,182.78 × 2,923,005.18 - Step 4: Simplify right side
5,370,399.97x = 21,662,925,655,866.80 - Step 5: Solve for x
x = 21,662,925,655,866.80/5,370,399.97 - Step 6: Final answer
x = 4,033,763.92
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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.