Finding the Fourth Proportional to 1,664,078.08, 2,496,313.92 and 542,147.08
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Solution
The fourth proportional to 1,664,078.08, 2,496,313.92 and 542,147.08 is: 813,284.74
Step by Step Solution
- Step 1: Write the proportion equation
1,664,078.08 : 2,496,313.92 = 542,147.08 : x - Step 2: Convert to fraction form
1,664,078.08/2,496,313.92 = 542,147.08/x - Step 3: Cross multiply
1,664,078.08x = 2,496,313.92 × 542,147.08 - Step 4: Simplify right side
1,664,078.08x = 1,353,369,302,491.35 - Step 5: Solve for x
x = 1,353,369,302,491.35/1,664,078.08 - Step 6: Final answer
x = 813,284.74
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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.