Finding the Fourth Proportional to 1,560,929.10, 2,339,838.45 and 718,010.70
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Solution
The fourth proportional to 1,560,929.10, 2,339,838.45 and 718,010.70 is: 1,076,300.67
Step by Step Solution
- Step 1: Write the proportion equation
1,560,929.10 : 2,339,838.45 = 718,010.70 : x - Step 2: Convert to fraction form
1,560,929.10/2,339,838.45 = 718,010.70/x - Step 3: Cross multiply
1,560,929.10x = 2,339,838.45 × 718,010.70 - Step 4: Simplify right side
1,560,929.10x = 1,680,029,043,371.42 - Step 5: Solve for x
x = 1,680,029,043,371.42/1,560,929.10 - Step 6: Final answer
x = 1,076,300.67
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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.