Finding the Fourth Proportional to 2,910,353.98, 4,016,412.76 and 1,621,195.24
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Solution
The fourth proportional to 2,910,353.98, 4,016,412.76 and 1,621,195.24 is: 2,237,318.65
Step by Step Solution
- Step 1: Write the proportion equation
2,910,353.98 : 4,016,412.76 = 1,621,195.24 : x - Step 2: Convert to fraction form
2,910,353.98/4,016,412.76 = 1,621,195.24/x - Step 3: Cross multiply
2,910,353.98x = 4,016,412.76 × 1,621,195.24 - Step 4: Simplify right side
2,910,353.98x = 6,511,389,234,293.24 - Step 5: Solve for x
x = 6,511,389,234,293.24/2,910,353.98 - Step 6: Final answer
x = 2,237,318.65
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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.