Finding the Fourth Proportional to 1,779,289.45, 2,455,460.67 and 1,015,414.09
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Solution
The fourth proportional to 1,779,289.45, 2,455,460.67 and 1,015,414.09 is: 1,401,294.97
Step by Step Solution
- Step 1: Write the proportion equation
1,779,289.45 : 2,455,460.67 = 1,015,414.09 : x - Step 2: Convert to fraction form
1,779,289.45/2,455,460.67 = 1,015,414.09/x - Step 3: Cross multiply
1,779,289.45x = 2,455,460.67 × 1,015,414.09 - Step 4: Simplify right side
1,779,289.45x = 2,493,309,361,758.84 - Step 5: Solve for x
x = 2,493,309,361,758.84/1,779,289.45 - Step 6: Final answer
x = 1,401,294.97
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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.