Finding the Fourth Proportional to 6,391,720.60, 9,587,580.90 and 2,132,027.80
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Solution
The fourth proportional to 6,391,720.60, 9,587,580.90 and 2,132,027.80 is: 3,198,041.70
Step by Step Solution
- Step 1: Write the proportion equation
6,391,720.60 : 9,587,580.90 = 2,132,027.80 : x - Step 2: Convert to fraction form
6,391,720.60/9,587,580.90 = 2,132,027.80/x - Step 3: Cross multiply
6,391,720.60x = 9,587,580.90 × 2,132,027.80 - Step 4: Simplify right side
6,391,720.60x = 20,440,989,013,549.02 - Step 5: Solve for x
x = 20,440,989,013,549.02/6,391,720.60 - Step 6: Final answer
x = 3,198,041.70
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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.