Finding the Fourth Proportional to 4,356,736.21, 6,533,717.83 and 1,438,285.67
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Solution
The fourth proportional to 4,356,736.21, 6,533,717.83 and 1,438,285.67 is: 2,156,970.79
Step by Step Solution
- Step 1: Write the proportion equation
4,356,736.21 : 6,533,717.83 = 1,438,285.67 : x - Step 2: Convert to fraction form
4,356,736.21/6,533,717.83 = 1,438,285.67/x - Step 3: Cross multiply
4,356,736.21x = 6,533,717.83 × 1,438,285.67 - Step 4: Simplify right side
4,356,736.21x = 9,397,352,726,712.50 - Step 5: Solve for x
x = 9,397,352,726,712.50/4,356,736.21 - Step 6: Final answer
x = 2,156,970.79
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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.