Finding the Fourth Proportional to 4,128,395.33, 5,697,255.96 and 2,267,889.26
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Solution
The fourth proportional to 4,128,395.33, 5,697,255.96 and 2,267,889.26 is: 3,129,725.85
Step by Step Solution
- Step 1: Write the proportion equation
4,128,395.33 : 5,697,255.96 = 2,267,889.26 : x - Step 2: Convert to fraction form
4,128,395.33/5,697,255.96 = 2,267,889.26/x - Step 3: Cross multiply
4,128,395.33x = 5,697,255.96 × 2,267,889.26 - Step 4: Simplify right side
4,128,395.33x = 12,920,745,563,329.26 - Step 5: Solve for x
x = 12,920,745,563,329.26/4,128,395.33 - Step 6: Final answer
x = 3,129,725.85
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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.