Finding the Fourth Proportional to 4,032,128.40, 6,039,898.20 and 2,771,379.60
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Solution
The fourth proportional to 4,032,128.40, 6,039,898.20 and 2,771,379.60 is: 4,151,368.46
Step by Step Solution
- Step 1: Write the proportion equation
4,032,128.40 : 6,039,898.20 = 2,771,379.60 : x - Step 2: Convert to fraction form
4,032,128.40/6,039,898.20 = 2,771,379.60/x - Step 3: Cross multiply
4,032,128.40x = 6,039,898.20 × 2,771,379.60 - Step 4: Simplify right side
4,032,128.40x = 16,738,850,657,556.72 - Step 5: Solve for x
x = 16,738,850,657,556.72/4,032,128.40 - Step 6: Final answer
x = 4,151,368.46
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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.