Finding the Fourth Proportional to 5,259,617.60, 7,884,818.40 and 3,571,246.40
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Solution
The fourth proportional to 5,259,617.60, 7,884,818.40 and 3,571,246.40 is: 5,353,740.80
Step by Step Solution
- Step 1: Write the proportion equation
5,259,617.60 : 7,884,818.40 = 3,571,246.40 : x - Step 2: Convert to fraction form
5,259,617.60/7,884,818.40 = 3,571,246.40/x - Step 3: Cross multiply
5,259,617.60x = 7,884,818.40 × 3,571,246.40 - Step 4: Simplify right side
5,259,617.60x = 28,158,629,325,653.76 - Step 5: Solve for x
x = 28,158,629,325,653.76/5,259,617.60 - Step 6: Final answer
x = 5,353,740.80
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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.