Finding the Fourth Proportional to 2,124,794.36, 2,932,141.74 and 1,157,904.92
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Solution
The fourth proportional to 2,124,794.36, 2,932,141.74 and 1,157,904.92 is: 1,597,868.20
Step by Step Solution
- Step 1: Write the proportion equation
2,124,794.36 : 2,932,141.74 = 1,157,904.92 : x - Step 2: Convert to fraction form
2,124,794.36/2,932,141.74 = 1,157,904.92/x - Step 3: Cross multiply
2,124,794.36x = 2,932,141.74 × 1,157,904.92 - Step 4: Simplify right side
2,124,794.36x = 3,395,141,346,883.36 - Step 5: Solve for x
x = 3,395,141,346,883.36/2,124,794.36 - Step 6: Final answer
x = 1,597,868.20
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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.