Finding the Fourth Proportional to 2,068,302.40, 3,102,745.20 and 648,210.40
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Solution
The fourth proportional to 2,068,302.40, 3,102,745.20 and 648,210.40 is: 972,406.99
Step by Step Solution
- Step 1: Write the proportion equation
2,068,302.40 : 3,102,745.20 = 648,210.40 : x - Step 2: Convert to fraction form
2,068,302.40/3,102,745.20 = 648,210.40/x - Step 3: Cross multiply
2,068,302.40x = 3,102,745.20 × 648,210.40 - Step 4: Simplify right side
2,068,302.40x = 2,011,231,707,190.08 - Step 5: Solve for x
x = 2,011,231,707,190.08/2,068,302.40 - Step 6: Final answer
x = 972,406.99
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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.