Finding the Fourth Proportional to 1,102,640.08, 1,521,807.88 and 673,169.18
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Solution
The fourth proportional to 1,102,640.08, 1,521,807.88 and 673,169.18 is: 929,073.94
Step by Step Solution
- Step 1: Write the proportion equation
1,102,640.08 : 1,521,807.88 = 673,169.18 : x - Step 2: Convert to fraction form
1,102,640.08/1,521,807.88 = 673,169.18/x - Step 3: Cross multiply
1,102,640.08x = 1,521,807.88 × 673,169.18 - Step 4: Simplify right side
1,102,640.08x = 1,024,434,162,697.14 - Step 5: Solve for x
x = 1,024,434,162,697.14/1,102,640.08 - Step 6: Final answer
x = 929,073.94
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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.