Finding the Fourth Proportional to 1,699,305.44, 2,345,265.44 and 1,020,285.68
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Solution
The fourth proportional to 1,699,305.44, 2,345,265.44 and 1,020,285.68 is: 1,408,128.68
Step by Step Solution
- Step 1: Write the proportion equation
1,699,305.44 : 2,345,265.44 = 1,020,285.68 : x - Step 2: Convert to fraction form
1,699,305.44/2,345,265.44 = 1,020,285.68/x - Step 3: Cross multiply
1,699,305.44x = 2,345,265.44 × 1,020,285.68 - Step 4: Simplify right side
1,699,305.44x = 2,392,840,727,403.14 - Step 5: Solve for x
x = 2,392,840,727,403.14/1,699,305.44 - Step 6: Final answer
x = 1,408,128.68
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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.