Finding the Fourth Proportional to 2,801,281.20, 4,201,921.80 and 2,470,606.80
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Solution
The fourth proportional to 2,801,281.20, 4,201,921.80 and 2,470,606.80 is: 3,705,910.20
Step by Step Solution
- Step 1: Write the proportion equation
2,801,281.20 : 4,201,921.80 = 2,470,606.80 : x - Step 2: Convert to fraction form
2,801,281.20/4,201,921.80 = 2,470,606.80/x - Step 3: Cross multiply
2,801,281.20x = 4,201,921.80 × 2,470,606.80 - Step 4: Simplify right side
2,801,281.20x = 10,381,296,572,148.24 - Step 5: Solve for x
x = 10,381,296,572,148.24/2,801,281.20 - Step 6: Final answer
x = 3,705,910.20
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1.5x scale
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.