Finding the Fourth Proportional to 4,032,107.20, 6,048,160.80 and 2,539,115.20
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Solution
The fourth proportional to 4,032,107.20, 6,048,160.80 and 2,539,115.20 is: 3,808,672.80
Step by Step Solution
- Step 1: Write the proportion equation
4,032,107.20 : 6,048,160.80 = 2,539,115.20 : x - Step 2: Convert to fraction form
4,032,107.20/6,048,160.80 = 2,539,115.20/x - Step 3: Cross multiply
4,032,107.20x = 6,048,160.80 × 2,539,115.20 - Step 4: Simplify right side
4,032,107.20x = 15,356,977,019,324.16 - Step 5: Solve for x
x = 15,356,977,019,324.16/4,032,107.20 - Step 6: Final answer
x = 3,808,672.80
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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.