Finding the Fourth Proportional to 5,745,434.16, 7,928,343 and 3,166,981.68
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Solution
The fourth proportional to 5,745,434.16, 7,928,343 and 3,166,981.68 is: 4,370,238.41
Step by Step Solution
- Step 1: Write the proportion equation
5,745,434.16 : 7,928,343 = 3,166,981.68 : x - Step 2: Convert to fraction form
5,745,434.16/7,928,343 = 3,166,981.68/x - Step 3: Cross multiply
5,745,434.16x = 7,928,343 × 3,166,981.68 - Step 4: Simplify right side
5,745,434.16x = 25,108,917,033,756.24 - Step 5: Solve for x
x = 25,108,917,033,756.24/5,745,434.16 - Step 6: Final answer
x = 4,370,238.41
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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.