Finding the Fourth Proportional to 4,266,840.16, 6,403,622.96 and 1,872,337.60
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Solution
The fourth proportional to 4,266,840.16, 6,403,622.96 and 1,872,337.60 is: 2,809,982.00
Step by Step Solution
- Step 1: Write the proportion equation
4,266,840.16 : 6,403,622.96 = 1,872,337.60 : x - Step 2: Convert to fraction form
4,266,840.16/6,403,622.96 = 1,872,337.60/x - Step 3: Cross multiply
4,266,840.16x = 6,403,622.96 × 1,872,337.60 - Step 4: Simplify right side
4,266,840.16x = 11,989,744,044,231.30 - Step 5: Solve for x
x = 11,989,744,044,231.30/4,266,840.16 - Step 6: Final answer
x = 2,809,982.00
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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.