Finding the Fourth Proportional to 3,280,406.08, 4,922,029.68 and 1,762,317.76
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Solution
The fourth proportional to 3,280,406.08, 4,922,029.68 and 1,762,317.76 is: 2,644,239.80
Step by Step Solution
- Step 1: Write the proportion equation
3,280,406.08 : 4,922,029.68 = 1,762,317.76 : x - Step 2: Convert to fraction form
3,280,406.08/4,922,029.68 = 1,762,317.76/x - Step 3: Cross multiply
3,280,406.08x = 4,922,029.68 × 1,762,317.76 - Step 4: Simplify right side
3,280,406.08x = 8,674,180,320,311.12 - Step 5: Solve for x
x = 8,674,180,320,311.12/3,280,406.08 - Step 6: Final answer
x = 2,644,239.80
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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.