Finding the Fourth Proportional to 3,130,238.08, 4,695,233.79 and 1,108,400.32
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Solution
The fourth proportional to 3,130,238.08, 4,695,233.79 and 1,108,400.32 is: 1,662,556.80
Step by Step Solution
- Step 1: Write the proportion equation
3,130,238.08 : 4,695,233.79 = 1,108,400.32 : x - Step 2: Convert to fraction form
3,130,238.08/4,695,233.79 = 1,108,400.32/x - Step 3: Cross multiply
3,130,238.08x = 4,695,233.79 × 1,108,400.32 - Step 4: Simplify right side
3,130,238.08x = 5,204,198,611,834.64 - Step 5: Solve for x
x = 5,204,198,611,834.64/3,130,238.08 - Step 6: Final answer
x = 1,662,556.80
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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.