Finding the Fourth Proportional to 2,661,206.76, 3,672,466.70 and 1,437,512.24
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Solution
The fourth proportional to 2,661,206.76, 3,672,466.70 and 1,437,512.24 is: 1,983,767.63
Step by Step Solution
- Step 1: Write the proportion equation
2,661,206.76 : 3,672,466.70 = 1,437,512.24 : x - Step 2: Convert to fraction form
2,661,206.76/3,672,466.70 = 1,437,512.24/x - Step 3: Cross multiply
2,661,206.76x = 3,672,466.70 × 1,437,512.24 - Step 4: Simplify right side
2,661,206.76x = 5,279,215,832,242.41 - Step 5: Solve for x
x = 5,279,215,832,242.41/2,661,206.76 - Step 6: Final answer
x = 1,983,767.63
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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.