Finding the Fourth Proportional to 5,343,860.80, 8,015,013.60 and 1,556,948.80
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Solution
The fourth proportional to 5,343,860.80, 8,015,013.60 and 1,556,948.80 is: 2,335,196.64
Step by Step Solution
- Step 1: Write the proportion equation
5,343,860.80 : 8,015,013.60 = 1,556,948.80 : x - Step 2: Convert to fraction form
5,343,860.80/8,015,013.60 = 1,556,948.80/x - Step 3: Cross multiply
5,343,860.80x = 8,015,013.60 × 1,556,948.80 - Step 4: Simplify right side
5,343,860.80x = 12,478,965,806,503.68 - Step 5: Solve for x
x = 12,478,965,806,503.68/5,343,860.80 - Step 6: Final answer
x = 2,335,196.64
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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.