Finding the Fourth Proportional to 6,958,556.78, 10,437,869.68 and 2,862,111.68
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Solution
The fourth proportional to 6,958,556.78, 10,437,869.68 and 2,862,111.68 is: 4,293,181.72
Step by Step Solution
- Step 1: Write the proportion equation
6,958,556.78 : 10,437,869.68 = 2,862,111.68 : x - Step 2: Convert to fraction form
6,958,556.78/10,437,869.68 = 2,862,111.68/x - Step 3: Cross multiply
6,958,556.78x = 10,437,869.68 × 2,862,111.68 - Step 4: Simplify right side
6,958,556.78x = 29,874,348,769,402.04 - Step 5: Solve for x
x = 29,874,348,769,402.04/6,958,556.78 - Step 6: Final answer
x = 4,293,181.72
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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.