Finding the Fourth Proportional to 2,069,748.18, 3,104,636.04 and 721,905.75
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Solution
The fourth proportional to 2,069,748.18, 3,104,636.04 and 721,905.75 is: 1,082,863.43
Step by Step Solution
- Step 1: Write the proportion equation
2,069,748.18 : 3,104,636.04 = 721,905.75 : x - Step 2: Convert to fraction form
2,069,748.18/3,104,636.04 = 721,905.75/x - Step 3: Cross multiply
2,069,748.18x = 3,104,636.04 × 721,905.75 - Step 4: Simplify right side
2,069,748.18x = 2,241,254,608,933.23 - Step 5: Solve for x
x = 2,241,254,608,933.23/2,069,748.18 - Step 6: Final answer
x = 1,082,863.43
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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.