Finding the Fourth Proportional to 1,542,472.29, 2,128,358.25 and 969,106.50
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Solution
The fourth proportional to 1,542,472.29, 2,128,358.25 and 969,106.50 is: 1,337,207.69
Step by Step Solution
- Step 1: Write the proportion equation
1,542,472.29 : 2,128,358.25 = 969,106.50 : x - Step 2: Convert to fraction form
1,542,472.29/2,128,358.25 = 969,106.50/x - Step 3: Cross multiply
1,542,472.29x = 2,128,358.25 × 969,106.50 - Step 4: Simplify right side
1,542,472.29x = 2,062,605,814,403.63 - Step 5: Solve for x
x = 2,062,605,814,403.63/1,542,472.29 - Step 6: Final answer
x = 1,337,207.69
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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.