Finding the Fourth Proportional to 2,031,387.57, 3,048,078.74 and 816,915.11
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Solution
The fourth proportional to 2,031,387.57, 3,048,078.74 and 816,915.11 is: 1,225,773.75
Step by Step Solution
- Step 1: Write the proportion equation
2,031,387.57 : 3,048,078.74 = 816,915.11 : x - Step 2: Convert to fraction form
2,031,387.57/3,048,078.74 = 816,915.11/x - Step 3: Cross multiply
2,031,387.57x = 3,048,078.74 × 816,915.11 - Step 4: Simplify right side
2,031,387.57x = 2,490,021,559,850.79 - Step 5: Solve for x
x = 2,490,021,559,850.79/2,031,387.57 - Step 6: Final answer
x = 1,225,773.75
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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.