Finding the Fourth Proportional to 2,169,517.68, 3,251,072.16 and 2,048,202.36
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Solution
The fourth proportional to 2,169,517.68, 3,251,072.16 and 2,048,202.36 is: 3,069,278.36
Step by Step Solution
- Step 1: Write the proportion equation
2,169,517.68 : 3,251,072.16 = 2,048,202.36 : x - Step 2: Convert to fraction form
2,169,517.68/3,251,072.16 = 2,048,202.36/x - Step 3: Cross multiply
2,169,517.68x = 3,251,072.16 × 2,048,202.36 - Step 4: Simplify right side
2,169,517.68x = 6,658,853,670,642.30 - Step 5: Solve for x
x = 6,658,853,670,642.30/2,169,517.68 - Step 6: Final answer
x = 3,069,278.36
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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.