Finding the Fourth Proportional to 1,343,358.91, 1,853,236.15 and 907,636.02
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Solution
The fourth proportional to 1,343,358.91, 1,853,236.15 and 907,636.02 is: 1,252,132.90
Step by Step Solution
- Step 1: Write the proportion equation
1,343,358.91 : 1,853,236.15 = 907,636.02 : x - Step 2: Convert to fraction form
1,343,358.91/1,853,236.15 = 907,636.02/x - Step 3: Cross multiply
1,343,358.91x = 1,853,236.15 × 907,636.02 - Step 4: Simplify right side
1,343,358.91x = 1,682,063,883,306.12 - Step 5: Solve for x
x = 1,682,063,883,306.12/1,343,358.91 - Step 6: Final answer
x = 1,252,132.90
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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.