Finding the Fourth Proportional to 4,600,578.05, 6,900,866.15 and 1,234,785.05
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Solution
The fourth proportional to 4,600,578.05, 6,900,866.15 and 1,234,785.05 is: 1,852,177.32
Step by Step Solution
- Step 1: Write the proportion equation
4,600,578.05 : 6,900,866.15 = 1,234,785.05 : x - Step 2: Convert to fraction form
4,600,578.05/6,900,866.15 = 1,234,785.05/x - Step 3: Cross multiply
4,600,578.05x = 6,900,866.15 × 1,234,785.05 - Step 4: Simplify right side
4,600,578.05x = 8,521,086,313,392.80 - Step 5: Solve for x
x = 8,521,086,313,392.80/4,600,578.05 - Step 6: Final answer
x = 1,852,177.32
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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.