Finding the Fourth Proportional to 1,609,021.60, 2,219,814.94 and 1,036,394.14
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Solution
The fourth proportional to 1,609,021.60, 2,219,814.94 and 1,036,394.14 is: 1,429,814.99
Step by Step Solution
- Step 1: Write the proportion equation
1,609,021.60 : 2,219,814.94 = 1,036,394.14 : x - Step 2: Convert to fraction form
1,609,021.60/2,219,814.94 = 1,036,394.14/x - Step 3: Cross multiply
1,609,021.60x = 2,219,814.94 × 1,036,394.14 - Step 4: Simplify right side
1,609,021.60x = 2,300,603,195,700.45 - Step 5: Solve for x
x = 2,300,603,195,700.45/1,609,021.60 - Step 6: Final answer
x = 1,429,814.99
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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.