Finding the Fourth Proportional to 2,167,665.18, 3,253,515.24 and 1,103,503.92
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Solution
The fourth proportional to 2,167,665.18, 3,253,515.24 and 1,103,503.92 is: 1,656,282.92
Step by Step Solution
- Step 1: Write the proportion equation
2,167,665.18 : 3,253,515.24 = 1,103,503.92 : x - Step 2: Convert to fraction form
2,167,665.18/3,253,515.24 = 1,103,503.92/x - Step 3: Cross multiply
2,167,665.18x = 3,253,515.24 × 1,103,503.92 - Step 4: Simplify right side
2,167,665.18x = 3,590,266,821,119.74 - Step 5: Solve for x
x = 3,590,266,821,119.74/2,167,665.18 - Step 6: Final answer
x = 1,656,282.92
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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.