Finding the Fourth Proportional to 3,829,421.07, 5,284,445.52 and 2,087,053.46
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Solution
The fourth proportional to 3,829,421.07, 5,284,445.52 and 2,087,053.46 is: 2,880,048.99
Step by Step Solution
- Step 1: Write the proportion equation
3,829,421.07 : 5,284,445.52 = 2,087,053.46 : x - Step 2: Convert to fraction form
3,829,421.07/5,284,445.52 = 2,087,053.46/x - Step 3: Cross multiply
3,829,421.07x = 5,284,445.52 × 2,087,053.46 - Step 4: Simplify right side
3,829,421.07x = 11,028,920,294,013.16 - Step 5: Solve for x
x = 11,028,920,294,013.16/3,829,421.07 - Step 6: Final answer
x = 2,880,048.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.