Finding the Fourth Proportional to 1,518,226.20, 2,095,196.70 and 829,936.08
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Solution
The fourth proportional to 1,518,226.20, 2,095,196.70 and 829,936.08 is: 1,145,336.14
Step by Step Solution
- Step 1: Write the proportion equation
1,518,226.20 : 2,095,196.70 = 829,936.08 : x - Step 2: Convert to fraction form
1,518,226.20/2,095,196.70 = 829,936.08/x - Step 3: Cross multiply
1,518,226.20x = 2,095,196.70 × 829,936.08 - Step 4: Simplify right side
1,518,226.20x = 1,738,879,336,026.94 - Step 5: Solve for x
x = 1,738,879,336,026.94/1,518,226.20 - Step 6: Final answer
x = 1,145,336.14
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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.