Finding the Fourth Proportional to 1,515,494.24, 2,090,448.04 and 1,080,052.55
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Solution
The fourth proportional to 1,515,494.24, 2,090,448.04 and 1,080,052.55 is: 1,489,806.87
Step by Step Solution
- Step 1: Write the proportion equation
1,515,494.24 : 2,090,448.04 = 1,080,052.55 : x - Step 2: Convert to fraction form
1,515,494.24/2,090,448.04 = 1,080,052.55/x - Step 3: Cross multiply
1,515,494.24x = 2,090,448.04 × 1,080,052.55 - Step 4: Simplify right side
1,515,494.24x = 2,257,793,735,847.23 - Step 5: Solve for x
x = 2,257,793,735,847.23/1,515,494.24 - Step 6: Final answer
x = 1,489,806.87
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.