Finding the Fourth Proportional to 3,059,437.30, 4,590,905.55 and 2,113,486.90
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Solution
The fourth proportional to 3,059,437.30, 4,590,905.55 and 2,113,486.90 is: 3,171,438.99
Step by Step Solution
- Step 1: Write the proportion equation
3,059,437.30 : 4,590,905.55 = 2,113,486.90 : x - Step 2: Convert to fraction form
3,059,437.30/4,590,905.55 = 2,113,486.90/x - Step 3: Cross multiply
3,059,437.30x = 4,590,905.55 × 2,113,486.90 - Step 4: Simplify right side
3,059,437.30x = 9,702,818,739,062.30 - Step 5: Solve for x
x = 9,702,818,739,062.30/3,059,437.30 - Step 6: Final answer
x = 3,171,438.99
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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.