Finding the Fourth Proportional to 2,987,108.07, 4,480,663.05 and 743,246.07
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Solution
The fourth proportional to 2,987,108.07, 4,480,663.05 and 743,246.07 is: 1,114,869.34
Step by Step Solution
- Step 1: Write the proportion equation
2,987,108.07 : 4,480,663.05 = 743,246.07 : x - Step 2: Convert to fraction form
2,987,108.07/4,480,663.05 = 743,246.07/x - Step 3: Cross multiply
2,987,108.07x = 4,480,663.05 × 743,246.07 - Step 4: Simplify right side
2,987,108.07x = 3,330,235,202,906.71 - Step 5: Solve for x
x = 3,330,235,202,906.71/2,987,108.07 - Step 6: Final answer
x = 1,114,869.34
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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.