Finding the Fourth Proportional to 5,605,440.12, 7,735,507.34 and 3,027,120.75
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Solution
The fourth proportional to 5,605,440.12, 7,735,507.34 and 3,027,120.75 is: 4,177,426.62
Step by Step Solution
- Step 1: Write the proportion equation
5,605,440.12 : 7,735,507.34 = 3,027,120.75 : x - Step 2: Convert to fraction form
5,605,440.12/7,735,507.34 = 3,027,120.75/x - Step 3: Cross multiply
5,605,440.12x = 7,735,507.34 × 3,027,120.75 - Step 4: Simplify right side
5,605,440.12x = 23,416,314,765,555.70 - Step 5: Solve for x
x = 23,416,314,765,555.70/5,605,440.12 - Step 6: Final answer
x = 4,177,426.62
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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.