Finding the Fourth Proportional to 2,177,175.36, 3,004,579.12 and 1,197,188.76
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Solution
The fourth proportional to 2,177,175.36, 3,004,579.12 and 1,197,188.76 is: 1,652,162.90
Step by Step Solution
- Step 1: Write the proportion equation
2,177,175.36 : 3,004,579.12 = 1,197,188.76 : x - Step 2: Convert to fraction form
2,177,175.36/3,004,579.12 = 1,197,188.76/x - Step 3: Cross multiply
2,177,175.36x = 3,004,579.12 × 1,197,188.76 - Step 4: Simplify right side
2,177,175.36x = 3,597,048,344,612.86 - Step 5: Solve for x
x = 3,597,048,344,612.86/2,177,175.36 - Step 6: Final answer
x = 1,652,162.90
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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.