Finding the Fourth Proportional to 1,497,187.34, 2,245,113.93 and 431,976.23
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Solution
The fourth proportional to 1,497,187.34, 2,245,113.93 and 431,976.23 is: 647,771.88
Step by Step Solution
- Step 1: Write the proportion equation
1,497,187.34 : 2,245,113.93 = 431,976.23 : x - Step 2: Convert to fraction form
1,497,187.34/2,245,113.93 = 431,976.23/x - Step 3: Cross multiply
1,497,187.34x = 2,245,113.93 × 431,976.23 - Step 4: Simplify right side
1,497,187.34x = 969,835,851,401.88 - Step 5: Solve for x
x = 969,835,851,401.88/1,497,187.34 - Step 6: Final answer
x = 647,771.88
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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.