Finding the Fourth Proportional to 1,497,803.90, 2,246,705.85 and 432,880.70
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Solution
The fourth proportional to 1,497,803.90, 2,246,705.85 and 432,880.70 is: 649,321.05
Step by Step Solution
- Step 1: Write the proportion equation
1,497,803.90 : 2,246,705.85 = 432,880.70 : x - Step 2: Convert to fraction form
1,497,803.90/2,246,705.85 = 432,880.70/x - Step 3: Cross multiply
1,497,803.90x = 2,246,705.85 × 432,880.70 - Step 4: Simplify right side
1,497,803.90x = 972,555,601,042.10 - Step 5: Solve for x
x = 972,555,601,042.10/1,497,803.90 - Step 6: Final answer
x = 649,321.05
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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.