Finding the Fourth Proportional to 2,130,630.66, 2,940,252.84 and 1,163,761.56
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Solution
The fourth proportional to 2,130,630.66, 2,940,252.84 and 1,163,761.56 is: 1,605,981.41
Step by Step Solution
- Step 1: Write the proportion equation
2,130,630.66 : 2,940,252.84 = 1,163,761.56 : x - Step 2: Convert to fraction form
2,130,630.66/2,940,252.84 = 1,163,761.56/x - Step 3: Cross multiply
2,130,630.66x = 2,940,252.84 × 1,163,761.56 - Step 4: Simplify right side
2,130,630.66x = 3,421,753,231,872.83 - Step 5: Solve for x
x = 3,421,753,231,872.83/2,130,630.66 - Step 6: Final answer
x = 1,605,981.41
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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.