Finding the Fourth Proportional to 2,979,964.80, 4,470,029.28 and 1,088,115.84
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Solution
The fourth proportional to 2,979,964.80, 4,470,029.28 and 1,088,115.84 is: 1,632,203.73
Step by Step Solution
- Step 1: Write the proportion equation
2,979,964.80 : 4,470,029.28 = 1,088,115.84 : x - Step 2: Convert to fraction form
2,979,964.80/4,470,029.28 = 1,088,115.84/x - Step 3: Cross multiply
2,979,964.80x = 4,470,029.28 × 1,088,115.84 - Step 4: Simplify right side
2,979,964.80x = 4,863,909,664,831.80 - Step 5: Solve for x
x = 4,863,909,664,831.80/2,979,964.80 - Step 6: Final answer
x = 1,632,203.73
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.