Finding the Fourth Proportional to 4,436,831.84, 6,655,983.21 and 1,557,451.79
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Solution
The fourth proportional to 4,436,831.84, 6,655,983.21 and 1,557,451.79 is: 2,336,435.85
Step by Step Solution
- Step 1: Write the proportion equation
4,436,831.84 : 6,655,983.21 = 1,557,451.79 : x - Step 2: Convert to fraction form
4,436,831.84/6,655,983.21 = 1,557,451.79/x - Step 3: Cross multiply
4,436,831.84x = 6,655,983.21 × 1,557,451.79 - Step 4: Simplify right side
4,436,831.84x = 10,366,372,964,624.45 - Step 5: Solve for x
x = 10,366,372,964,624.45/4,436,831.84 - Step 6: Final answer
x = 2,336,435.85
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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.