Finding the Fourth Proportional to 2,485,838.70, 3,729,195.45 and 889,328.70
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Solution
The fourth proportional to 2,485,838.70, 3,729,195.45 and 889,328.70 is: 1,334,149.53
Step by Step Solution
- Step 1: Write the proportion equation
2,485,838.70 : 3,729,195.45 = 889,328.70 : x - Step 2: Convert to fraction form
2,485,838.70/3,729,195.45 = 889,328.70/x - Step 3: Cross multiply
2,485,838.70x = 3,729,195.45 × 889,328.70 - Step 4: Simplify right side
2,485,838.70x = 3,316,480,541,594.42 - Step 5: Solve for x
x = 3,316,480,541,594.42/2,485,838.70 - Step 6: Final answer
x = 1,334,149.53
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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.