Finding the Fourth Proportional to 5,555,325.48, 8,328,503.64 and 5,106,921.60
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Solution
The fourth proportional to 5,555,325.48, 8,328,503.64 and 5,106,921.60 is: 7,656,259.80
Step by Step Solution
- Step 1: Write the proportion equation
5,555,325.48 : 8,328,503.64 = 5,106,921.60 : x - Step 2: Convert to fraction form
5,555,325.48/8,328,503.64 = 5,106,921.60/x - Step 3: Cross multiply
5,555,325.48x = 8,328,503.64 × 5,106,921.60 - Step 4: Simplify right side
5,555,325.48x = 42,533,015,134,794.62 - Step 5: Solve for x
x = 42,533,015,134,794.62/5,555,325.48 - Step 6: Final answer
x = 7,656,259.80
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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.