Finding the Fourth Proportional to 3,237,278.70, 4,467,445.50 and 1,786,975.08
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Solution
The fourth proportional to 3,237,278.70, 4,467,445.50 and 1,786,975.08 is: 2,466,026.10
Step by Step Solution
- Step 1: Write the proportion equation
3,237,278.70 : 4,467,445.50 = 1,786,975.08 : x - Step 2: Convert to fraction form
3,237,278.70/4,467,445.50 = 1,786,975.08/x - Step 3: Cross multiply
3,237,278.70x = 4,467,445.50 × 1,786,975.08 - Step 4: Simplify right side
3,237,278.70x = 7,983,213,779,758.14 - Step 5: Solve for x
x = 7,983,213,779,758.14/3,237,278.70 - Step 6: Final answer
x = 2,466,026.10
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1.5x scale
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.