Finding the Fourth Proportional to 1,528,101.05, 2,292,149.14 and 406,170.05
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Solution
The fourth proportional to 1,528,101.05, 2,292,149.14 and 406,170.05 is: 609,254.42
Step by Step Solution
- Step 1: Write the proportion equation
1,528,101.05 : 2,292,149.14 = 406,170.05 : x - Step 2: Convert to fraction form
1,528,101.05/2,292,149.14 = 406,170.05/x - Step 3: Cross multiply
1,528,101.05x = 2,292,149.14 × 406,170.05 - Step 4: Simplify right side
1,528,101.05x = 931,002,318,325.09 - Step 5: Solve for x
x = 931,002,318,325.09/1,528,101.05 - Step 6: Final answer
x = 609,254.42
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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.