Finding the Fourth Proportional to 1,549,149.21, 2,323,745.82 and 411,931.08
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Solution
The fourth proportional to 1,549,149.21, 2,323,745.82 and 411,931.08 is: 617,902.47
Step by Step Solution
- Step 1: Write the proportion equation
1,549,149.21 : 2,323,745.82 = 411,931.08 : x - Step 2: Convert to fraction form
1,549,149.21/2,323,745.82 = 411,931.08/x - Step 3: Cross multiply
1,549,149.21x = 2,323,745.82 × 411,931.08 - Step 4: Simplify right side
1,549,149.21x = 957,223,125,278.09 - Step 5: Solve for x
x = 957,223,125,278.09/1,549,149.21 - Step 6: Final answer
x = 617,902.47
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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.