Finding the Fourth Proportional to 5,537,152.60, 8,305,728.90 and 4,417,408.60
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Solution
The fourth proportional to 5,537,152.60, 8,305,728.90 and 4,417,408.60 is: 6,626,112.90
Step by Step Solution
- Step 1: Write the proportion equation
5,537,152.60 : 8,305,728.90 = 4,417,408.60 : x - Step 2: Convert to fraction form
5,537,152.60/8,305,728.90 = 4,417,408.60/x - Step 3: Cross multiply
5,537,152.60x = 8,305,728.90 × 4,417,408.60 - Step 4: Simplify right side
5,537,152.60x = 36,689,798,272,128.54 - Step 5: Solve for x
x = 36,689,798,272,128.54/5,537,152.60 - Step 6: Final answer
x = 6,626,112.90
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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.