Finding the Fourth Proportional to 4,682,646.05, 7,024,638.74 and 1,444,457.21
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Solution
The fourth proportional to 4,682,646.05, 7,024,638.74 and 1,444,457.21 is: 2,166,892.38
Step by Step Solution
- Step 1: Write the proportion equation
4,682,646.05 : 7,024,638.74 = 1,444,457.21 : x - Step 2: Convert to fraction form
4,682,646.05/7,024,638.74 = 1,444,457.21/x - Step 3: Cross multiply
4,682,646.05x = 7,024,638.74 × 1,444,457.21 - Step 4: Simplify right side
4,682,646.05x = 10,146,790,033,292.84 - Step 5: Solve for x
x = 10,146,790,033,292.84/4,682,646.05 - Step 6: Final answer
x = 2,166,892.38
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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.