Finding the Fourth Proportional to 1,532,866.11, 2,115,254.03 and 920,655.11
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Solution
The fourth proportional to 1,532,866.11, 2,115,254.03 and 920,655.11 is: 1,270,443.27
Step by Step Solution
- Step 1: Write the proportion equation
1,532,866.11 : 2,115,254.03 = 920,655.11 : x - Step 2: Convert to fraction form
1,532,866.11/2,115,254.03 = 920,655.11/x - Step 3: Cross multiply
1,532,866.11x = 2,115,254.03 × 920,655.11 - Step 4: Simplify right side
1,532,866.11x = 1,947,419,431,667.59 - Step 5: Solve for x
x = 1,947,419,431,667.59/1,532,866.11 - Step 6: Final answer
x = 1,270,443.27
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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.