Finding the Fourth Proportional to 1,484,205.12, 2,223,339.84 and 684,391.68
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Solution
The fourth proportional to 1,484,205.12, 2,223,339.84 and 684,391.68 is: 1,025,219.00
Step by Step Solution
- Step 1: Write the proportion equation
1,484,205.12 : 2,223,339.84 = 684,391.68 : x - Step 2: Convert to fraction form
1,484,205.12/2,223,339.84 = 684,391.68/x - Step 3: Cross multiply
1,484,205.12x = 2,223,339.84 × 684,391.68 - Step 4: Simplify right side
1,484,205.12x = 1,521,635,288,308.53 - Step 5: Solve for x
x = 1,521,635,288,308.53/1,484,205.12 - Step 6: Final answer
x = 1,025,219.00
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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.