Finding the Fourth Proportional to 7,258,029.60, 10,876,546.80 and 3,211,204.80
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Solution
The fourth proportional to 7,258,029.60, 10,876,546.80 and 3,211,204.80 is: 4,812,162.70
Step by Step Solution
- Step 1: Write the proportion equation
7,258,029.60 : 10,876,546.80 = 3,211,204.80 : x - Step 2: Convert to fraction form
7,258,029.60/10,876,546.80 = 3,211,204.80/x - Step 3: Cross multiply
7,258,029.60x = 10,876,546.80 × 3,211,204.80 - Step 4: Simplify right side
7,258,029.60x = 34,926,819,291,584.64 - Step 5: Solve for x
x = 34,926,819,291,584.64/7,258,029.60 - Step 6: Final answer
x = 4,812,162.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.