Finding the Fourth Proportional to 1,675,965.60, 2,313,989.64 and 1,568,890.08
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Solution
The fourth proportional to 1,675,965.60, 2,313,989.64 and 1,568,890.08 is: 2,166,151.50
Step by Step Solution
- Step 1: Write the proportion equation
1,675,965.60 : 2,313,989.64 = 1,568,890.08 : x - Step 2: Convert to fraction form
1,675,965.60/2,313,989.64 = 1,568,890.08/x - Step 3: Cross multiply
1,675,965.60x = 2,313,989.64 × 1,568,890.08 - Step 4: Simplify right side
1,675,965.60x = 3,630,395,391,418.77 - Step 5: Solve for x
x = 3,630,395,391,418.77/1,675,965.60 - Step 6: Final answer
x = 2,166,151.50
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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.