Finding the Fourth Proportional to 1,593,634, 2,199,214.97 and 878,242
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Solution
The fourth proportional to 1,593,634, 2,199,214.97 and 878,242 is: 1,211,973.99
Step by Step Solution
- Step 1: Write the proportion equation
1,593,634 : 2,199,214.97 = 878,242 : x - Step 2: Convert to fraction form
1,593,634/2,199,214.97 = 878,242/x - Step 3: Cross multiply
1,593,634x = 2,199,214.97 × 878,242 - Step 4: Simplify right side
1,593,634x = 1,931,442,953,682.74 - Step 5: Solve for x
x = 1,931,442,953,682.74/1,593,634 - Step 6: Final answer
x = 1,211,973.99
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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.