Finding the Fourth Proportional to 2,592,156.90, 3,886,291.35 and 1,330,889.70
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Solution
The fourth proportional to 2,592,156.90, 3,886,291.35 and 1,330,889.70 is: 1,995,336.44
Step by Step Solution
- Step 1: Write the proportion equation
2,592,156.90 : 3,886,291.35 = 1,330,889.70 : x - Step 2: Convert to fraction form
2,592,156.90/3,886,291.35 = 1,330,889.70/x - Step 3: Cross multiply
2,592,156.90x = 3,886,291.35 × 1,330,889.70 - Step 4: Simplify right side
2,592,156.90x = 5,172,225,128,914.10 - Step 5: Solve for x
x = 5,172,225,128,914.10/2,592,156.90 - Step 6: Final answer
x = 1,995,336.44
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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.